fix(deps): update module github.com/bufbuild/connect-go to v1.6.0 (#585)

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This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
|
[github.com/bufbuild/connect-go](https://github.com/bufbuild/connect-go)
| require | minor | `v1.5.2` -> `v1.6.0` |

---

### Release Notes

<details>
<summary>bufbuild/connect-go</summary>

###
[`v1.6.0`](https://github.com/bufbuild/connect-go/releases/tag/v1.6.0)

[Compare
Source](https://github.com/bufbuild/connect-go/compare/v1.5.2...v1.6.0)

<!-- Release notes generated using configuration in .github/release.yml
at main -->

#### What's Changed

##### Enhancements

- Improve comments & add procedure consts to generated code by
[@&#8203;akshayjshah](https://github.com/akshayjshah) in
[https://github.com/bufbuild/connect-go/pull/480](https://github.com/bufbuild/connect-go/pull/480)
- Reduce per-call URL parsing cost by
[@&#8203;mattrobenolt](https://github.com/mattrobenolt) in
[https://github.com/bufbuild/connect-go/pull/467](https://github.com/bufbuild/connect-go/pull/467)
- Improve errors for outdated protobuf runtimes by
[@&#8203;akshayjshah](https://github.com/akshayjshah) in
[https://github.com/bufbuild/connect-go/pull/465](https://github.com/bufbuild/connect-go/pull/465)
- Switch README to use `buf curl` by
[@&#8203;akshayjshah](https://github.com/akshayjshah) in
[https://github.com/bufbuild/connect-go/pull/474](https://github.com/bufbuild/connect-go/pull/474)

##### Bugfixes

- Clarify purpose of handler_stream_test.go by
[@&#8203;Hirochon](https://github.com/Hirochon) in
[https://github.com/bufbuild/connect-go/pull/472](https://github.com/bufbuild/connect-go/pull/472)
- Make StreamType constants typed numerics by
[@&#8203;jhump](https://github.com/jhump) in
[https://github.com/bufbuild/connect-go/pull/486](https://github.com/bufbuild/connect-go/pull/486)
- Populate Spec and Peer in Client.CallServerStream by
[@&#8203;jhump](https://github.com/jhump) in
[https://github.com/bufbuild/connect-go/pull/487](https://github.com/bufbuild/connect-go/pull/487)

#### New Contributors

- [@&#8203;Hirochon](https://github.com/Hirochon) made their first
contribution in
[https://github.com/bufbuild/connect-go/pull/472](https://github.com/bufbuild/connect-go/pull/472)

**Full Changelog**:
bufbuild/connect-go@v1.5.2...v1.6.0

</details>

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Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

core/go.mod

@@ -6,7 +6,7 @@ require (
 	buf.build/gen/go/open-feature/flagd/bufbuild/connect-go v1.5.2-20230222100723-491ee098dd92.1
 	buf.build/gen/go/open-feature/flagd/grpc/go v1.3.0-20230317150644-afd1cc2ef580.1
 	buf.build/gen/go/open-feature/flagd/protocolbuffers/go v1.29.1-20230317150644-afd1cc2ef580.1
-	github.com/bufbuild/connect-go v1.5.2
+	github.com/bufbuild/connect-go v1.6.0
 	github.com/diegoholiveira/jsonlogic/v3 v3.2.7
 	github.com/fsnotify/fsnotify v1.6.0
 	github.com/golang/mock v1.6.0

core/go.sum

@@ -404,6 +404,8 @@ github.com/beorn7/perks v1.0.1 h1:VlbKKnNfV8bJzeqoa4cOKqO6bYr3WgKZxO8Z16+hsOM=
 github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6rlkpw=
 github.com/bufbuild/connect-go v1.5.2 h1:G4EZd5gF1U1ZhhbVJXplbuUnfKpBZ5j5izqIwu2g2W8=
 github.com/bufbuild/connect-go v1.5.2/go.mod h1:GmMJYR6orFqD0Y6ZgX8pwQ8j9baizDrIQMm1/a6LnHk=
+github.com/bufbuild/connect-go v1.6.0 h1:OCEB8JuEuvcY5lEKZCQE95CUscqkDtLnQceNhDgi92k=
+github.com/bufbuild/connect-go v1.6.0/go.mod h1:GmMJYR6orFqD0Y6ZgX8pwQ8j9baizDrIQMm1/a6LnHk=
 github.com/buger/jsonparser v1.1.1/go.mod h1:6RYKKt7H4d4+iWqouImQ9R2FZql3VbhNgx27UK13J/0=
 github.com/cenkalti/backoff/v4 v4.2.0 h1:HN5dHm3WBOgndBH6E8V0q2jIYIR3s9yglV8k/+MN3u4=
 github.com/cenkalti/backoff/v4 v4.2.0/go.mod h1:Y3VNntkOUPxTVeUxJ/G5vcM//AlwfmyYozVcomhLiZE=