fix(deps): update module github.com/knadh/koanf/v2 to v2.1.2 (#36305)

This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [github.com/knadh/koanf/v2](https://github.com/knadh/koanf) |
`v2.1.1` -> `v2.1.2` |
[![age](https://developer.mend.io/api/mc/badges/age/go/github.com%2fknadh%2fkoanf%2fv2/v2.1.2?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![adoption](https://developer.mend.io/api/mc/badges/adoption/go/github.com%2fknadh%2fkoanf%2fv2/v2.1.2?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![passing](https://developer.mend.io/api/mc/badges/compatibility/go/github.com%2fknadh%2fkoanf%2fv2/v2.1.1/v2.1.2?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![confidence](https://developer.mend.io/api/mc/badges/confidence/go/github.com%2fknadh%2fkoanf%2fv2/v2.1.1/v2.1.2?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|

---

> [!WARNING]
> Some dependencies could not be looked up. Check the Dependency
Dashboard for more information.

---

### Release Notes

<details>
<summary>knadh/koanf (github.com/knadh/koanf/v2)</summary>

###
[`v2.1.2`](https://github.com/knadh/koanf/releases/tag/v2.1.2)

[Compare
Source](https://github.com/knadh/koanf/compare/v2.1.1...v2.1.2)

##### What's Changed

- chore: Update godoc URL in README by
[@&#8203;rhnvrm](https://github.com/rhnvrm) in
[https://github.com/knadh/koanf/pull/279](https://github.com/knadh/koanf/pull/279)
- Add support for parser TOML v2 spec by
[@&#8203;knadh](https://github.com/knadh) in
[https://github.com/knadh/koanf/pull/286](https://github.com/knadh/koanf/pull/286)
- Bump golang.org/x/net from 0.17.0 to 0.23.0 in /providers/consul by
[@&#8203;dependabot](https://github.com/dependabot) in
[https://github.com/knadh/koanf/pull/289](https://github.com/knadh/koanf/pull/289)
- Bump golang.org/x/net from 0.17.0 to 0.23.0 in /providers/vault by
[@&#8203;dependabot](https://github.com/dependabot) in
[https://github.com/knadh/koanf/pull/288](https://github.com/knadh/koanf/pull/288)
- Bump golang.org/x/net from 0.17.0 to 0.23.0 in /examples by
[@&#8203;dependabot](https://github.com/dependabot) in
[https://github.com/knadh/koanf/pull/290](https://github.com/knadh/koanf/pull/290)
- Bump golang.org/x/net from 0.17.0 to 0.23.0 in /providers/etcd by
[@&#8203;dependabot](https://github.com/dependabot) in
[https://github.com/knadh/koanf/pull/287](https://github.com/knadh/koanf/pull/287)
- upgrade toml v2 package to 2.2.2 by
[@&#8203;GreyXor](https://github.com/GreyXor) in
[https://github.com/knadh/koanf/pull/292](https://github.com/knadh/koanf/pull/292)
- Bump github.com/hashicorp/go-retryablehttp from 0.7.2 to 0.7.7 in
/providers/vault by
[@&#8203;dependabot](https://github.com/dependabot) in
[https://github.com/knadh/koanf/pull/301](https://github.com/knadh/koanf/pull/301)
- Upgrade fsnotify lib in file provider. by
[@&#8203;knadh](https://github.com/knadh) in
[https://github.com/knadh/koanf/pull/302](https://github.com/knadh/koanf/pull/302)
- Bump github.com/hashicorp/go-retryablehttp from 0.7.2 to 0.7.7 in
/examples by
[@&#8203;dependabot](https://github.com/dependabot) in
[https://github.com/knadh/koanf/pull/303](https://github.com/knadh/koanf/pull/303)
- Add `Unwatch()` to file provider. by
[@&#8203;knadh](https://github.com/knadh) in
[https://github.com/knadh/koanf/pull/306](https://github.com/knadh/koanf/pull/306)
- docs: Improve marshal section by
[@&#8203;bersace](https://github.com/bersace) in
[https://github.com/knadh/koanf/pull/311](https://github.com/knadh/koanf/pull/311)
- fix(basicflag): option not apply by
[@&#8203;qianlongzt](https://github.com/qianlongzt) in
[https://github.com/knadh/koanf/pull/322](https://github.com/knadh/koanf/pull/322)
- Fix incorrect unflatten in env provider. Closes
[#&#8203;319](https://github.com/knadh/koanf/issues/319). by
[@&#8203;knadh](https://github.com/knadh) in
[https://github.com/knadh/koanf/pull/324](https://github.com/knadh/koanf/pull/324)
- fix: update file watch to trigger callback after symbolic link changes
by [@&#8203;jondavidnd1](https://github.com/jondavidnd1) in
[https://github.com/knadh/koanf/pull/326](https://github.com/knadh/koanf/pull/326)
- Update mapstructure to a stable version by
[@&#8203;StefMa](https://github.com/StefMa) in
[https://github.com/knadh/koanf/pull/331](https://github.com/knadh/koanf/pull/331)

##### New Contributors

- [@&#8203;bersace](https://github.com/bersace) made their
first contribution in
[https://github.com/knadh/koanf/pull/311](https://github.com/knadh/koanf/pull/311)
- [@&#8203;qianlongzt](https://github.com/qianlongzt) made
their first contribution in
[https://github.com/knadh/koanf/pull/322](https://github.com/knadh/koanf/pull/322)
- [@&#8203;jondavidnd1](https://github.com/jondavidnd1) made
their first contribution in
[https://github.com/knadh/koanf/pull/326](https://github.com/knadh/koanf/pull/326)
- [@&#8203;StefMa](https://github.com/StefMa) made their first
contribution in
[https://github.com/knadh/koanf/pull/331](https://github.com/knadh/koanf/pull/331)

**Full Changelog**:
knadh/koanf@v2.1.1...v2.1.2

</details>

---

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Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Co-authored-by: opentelemetrybot <107717825+opentelemetrybot@users.noreply.github.com>
Co-authored-by: Yang Song <songy23@users.noreply.github.com>

cmd/opampsupervisor/go.mod

@@ -9,7 +9,7 @@ require (
 	github.com/knadh/koanf/parsers/yaml v0.1.0
 	github.com/knadh/koanf/providers/file v1.1.2
 	github.com/knadh/koanf/providers/rawbytes v0.1.0
-	github.com/knadh/koanf/v2 v2.1.1
+	github.com/knadh/koanf/v2 v2.1.2
 	github.com/open-telemetry/opamp-go v0.15.0
 	github.com/stretchr/testify v1.9.0
 	go.opentelemetry.io/collector/config/configopaque v1.19.0
@@ -25,7 +25,7 @@ require (
 require (
 	github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc // indirect
 	github.com/fsnotify/fsnotify v1.8.0 // indirect
-	github.com/go-viper/mapstructure/v2 v2.0.0-alpha.1 // indirect
+	github.com/go-viper/mapstructure/v2 v2.2.1 // indirect
 	github.com/google/go-cmp v0.6.0 // indirect
 	github.com/gorilla/websocket v1.5.1 // indirect
 	github.com/mitchellh/copystructure v1.2.0 // indirect