chore(deps): update docker.io/gitea/gitea docker tag to v1.21.5 (#355)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| [docker.io/gitea/gitea](https://github.com/go-gitea/gitea) | patch | `1.21.4` -> `1.21.5` |

---

### Release Notes

<details>
<summary>go-gitea/gitea (docker.io/gitea/gitea)</summary>

### [`v1.21.5`](https://github.com/go-gitea/gitea/releases/tag/v1.21.5)

[Compare Source](go-gitea/gitea@v1.21.4...v1.21.5)

-   SECURITY
    -   Prevent anonymous container access if `RequireSignInView` is enabled ([#&#8203;28877](go-gitea/gitea#28877)) ([#&#8203;28882](go-gitea/gitea#28882))
    -   Update go dependencies and fix go-git ([#&#8203;28893](go-gitea/gitea#28893)) ([#&#8203;28934](go-gitea/gitea#28934))
-   BUGFIXES
    -   Revert "Speed up loading the dashboard on mysql/mariadb ([#&#8203;28546](go-gitea/gitea#28546))" ([#&#8203;29006](go-gitea/gitea#29006)) ([#&#8203;29007](go-gitea/gitea#29007))
    -   Fix an actions schedule bug ([#&#8203;28942](go-gitea/gitea#28942)) ([#&#8203;28999](go-gitea/gitea#28999))
    -   Fix update enable_prune even if mirror_interval is not provided ([#&#8203;28905](go-gitea/gitea#28905)) ([#&#8203;28929](go-gitea/gitea#28929))
    -   Fix uploaded artifacts should be overwritten ([#&#8203;28726](go-gitea/gitea#28726)) backport v1.21 ([#&#8203;28832](go-gitea/gitea#28832))
    -   Preserve BOM in web editor ([#&#8203;28935](go-gitea/gitea#28935)) ([#&#8203;28959](go-gitea/gitea#28959))
    -   Strip `/` from relative links ([#&#8203;28932](go-gitea/gitea#28932)) ([#&#8203;28952](go-gitea/gitea#28952))
    -   Don't remove all mirror repository's releases when mirroring ([#&#8203;28817](go-gitea/gitea#28817)) ([#&#8203;28939](go-gitea/gitea#28939))
    -   Implement `MigrateRepository` for the actions notifier ([#&#8203;28920](go-gitea/gitea#28920)) ([#&#8203;28923](go-gitea/gitea#28923))
    -   Respect branch info for relative links ([#&#8203;28909](go-gitea/gitea#28909)) ([#&#8203;28922](go-gitea/gitea#28922))
    -   Don't reload timeline page when (un)resolving or replying conversation ([#&#8203;28654](go-gitea/gitea#28654)) ([#&#8203;28917](go-gitea/gitea#28917))
    -   Only migrate the first 255 chars of a Github issue title ([#&#8203;28902](go-gitea/gitea#28902)) ([#&#8203;28912](go-gitea/gitea#28912))
    -   Fix sort bug on repository issues list ([#&#8203;28897](go-gitea/gitea#28897)) ([#&#8203;28901](go-gitea/gitea#28901))
    -   Fix `DeleteCollaboration` transaction behaviour ([#&#8203;28886](go-gitea/gitea#28886)) ([#&#8203;28889](go-gitea/gitea#28889))
    -   Fix schedule not trigger bug because matching full ref name with short ref name ([#&#8203;28874](go-gitea/gitea#28874)) ([#&#8203;28888](go-gitea/gitea#28888))
    -   Fix migrate storage bug ([#&#8203;28830](go-gitea/gitea#28830)) ([#&#8203;28867](go-gitea/gitea#28867))
    -   Fix archive creating LFS hooks and breaking pull requests ([#&#8203;28848](go-gitea/gitea#28848)) ([#&#8203;28851](go-gitea/gitea#28851))
    -   Fix reverting a merge commit failing ([#&#8203;28794](go-gitea/gitea#28794)) ([#&#8203;28825](go-gitea/gitea#28825))
    -   Upgrade xorm to v1.3.7 to fix a resource leak problem caused by Iterate ([#&#8203;28891](go-gitea/gitea#28891)) ([#&#8203;28895](go-gitea/gitea#28895))
    -   Fix incorrect PostgreSQL connection string for Unix sockets ([#&#8203;28865](go-gitea/gitea#28865)) ([#&#8203;28870](go-gitea/gitea#28870))
-   ENHANCEMENTS
    -   Make loading animation less aggressive ([#&#8203;28955](go-gitea/gitea#28955)) ([#&#8203;28956](go-gitea/gitea#28956))
    -   Avoid duplicate JS error messages on UI ([#&#8203;28873](go-gitea/gitea#28873)) ([#&#8203;28881](go-gitea/gitea#28881))
    -   Bump `@github/relative-time-element` to 4.3.1 ([#&#8203;28819](go-gitea/gitea#28819)) ([#&#8203;28826](go-gitea/gitea#28826))
-   MISC
    -   Warn that `DISABLE_QUERY_AUTH_TOKEN` is false only if it's explicitly defined ([#&#8203;28783](go-gitea/gitea#28783)) ([#&#8203;28868](go-gitea/gitea#28868))
    -   Remove duplicated checkinit on git module ([#&#8203;28824](go-gitea/gitea#28824)) ([#&#8203;28831](go-gitea/gitea#28831))

Instances on **[Gitea Cloud](https://cloud.gitea.com)** will be automatically upgraded to this version during the specified maintenance window.

</details>

---

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---

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---

This PR has been generated by [Renovate Bot](https://github.com/renovatebot/renovate).
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Reviewed-on: https://git.home/nrdufour/home-ops/pulls/355
Co-authored-by: Renovate <renovate@ptinem.io>
Co-committed-by: Renovate <renovate@ptinem.io>

ansible/roles/storage.apps/templates/gitea/deployment.yaml.j2

@@ -17,7 +17,7 @@ spec:
     spec:
       containers:
         - name: gitea
-          image: docker.io/gitea/gitea:1.21.4
+          image: docker.io/gitea/gitea:1.21.5
           env:
             - name: "GITEA__database__DB_TYPE"
               value: "sqlite3"