chore(deps): update docker.io/gitea/gitea docker tag to v1.20.4 (#79)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| [docker.io/gitea/gitea](https://github.com/go-gitea/gitea) | patch | `1.20.3` -> `1.20.4` |

---

### Release Notes

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

### [`v1.20.4`](https://github.com/go-gitea/gitea/blob/HEAD/CHANGELOG.md#1204---2023-09-08)

[Compare Source](go-gitea/gitea@v1.20.3...v1.20.4)

-   SECURITY
    -   Check blocklist for emails when adding them to account ([#&#8203;26812](go-gitea/gitea#26812)) ([#&#8203;26831](go-gitea/gitea#26831))
-   ENHANCEMENTS
    -   Add `branch_filter` to hooks API endpoints ([#&#8203;26599](go-gitea/gitea#26599)) ([#&#8203;26632](go-gitea/gitea#26632))
    -   Fix incorrect "tabindex" attributes ([#&#8203;26733](go-gitea/gitea#26733)) ([#&#8203;26734](go-gitea/gitea#26734))
    -   Use line-height: normal by default ([#&#8203;26635](go-gitea/gitea#26635)) ([#&#8203;26708](go-gitea/gitea#26708))
    -   Fix unable to display individual-level project ([#&#8203;26198](go-gitea/gitea#26198)) ([#&#8203;26636](go-gitea/gitea#26636))
-   BUGFIXES
    -   Fix wrong review requested number ([#&#8203;26784](go-gitea/gitea#26784)) ([#&#8203;26880](go-gitea/gitea#26880))
    -   Avoid double-unescaping of form value ([#&#8203;26853](go-gitea/gitea#26853)) ([#&#8203;26863](go-gitea/gitea#26863))
    -   Redirect from `{repo}/issues/new` to `{repo}/issues/new/choose` when blank issues are disabled ([#&#8203;26813](go-gitea/gitea#26813)) ([#&#8203;26847](go-gitea/gitea#26847))
    -   Sync tags when adopting repos ([#&#8203;26816](go-gitea/gitea#26816)) ([#&#8203;26834](go-gitea/gitea#26834))
    -   Fix verifyCommits error when push a new branch ([#&#8203;26664](go-gitea/gitea#26664)) ([#&#8203;26810](go-gitea/gitea#26810))
    -   Include the GITHUB_TOKEN/GITEA_TOKEN secret for fork pull requests ([#&#8203;26759](go-gitea/gitea#26759)) ([#&#8203;26806](go-gitea/gitea#26806))
    -   Fix some slice append usages ([#&#8203;26778](go-gitea/gitea#26778)) ([#&#8203;26798](go-gitea/gitea#26798))
    -   Add fix incorrect can_create_org_repo for org owner team ([#&#8203;26683](go-gitea/gitea#26683)) ([#&#8203;26791](go-gitea/gitea#26791))
    -   Fix bug for ctx usage ([#&#8203;26763](go-gitea/gitea#26763))
    -   Make issue template field template access correct template data ([#&#8203;26698](go-gitea/gitea#26698)) ([#&#8203;26709](go-gitea/gitea#26709))
    -   Use correct minio error ([#&#8203;26634](go-gitea/gitea#26634)) ([#&#8203;26639](go-gitea/gitea#26639))
    -   Ignore the trailing slashes when comparing oauth2 redirect_uri ([#&#8203;26597](go-gitea/gitea#26597)) ([#&#8203;26618](go-gitea/gitea#26618))
    -   Set errwriter for urfave/cli v1 ([#&#8203;26616](go-gitea/gitea#26616))
    -   Fix reopen logic for agit flow pull request ([#&#8203;26399](go-gitea/gitea#26399)) ([#&#8203;26613](go-gitea/gitea#26613))
    -   Fix context filter has no effect in dashboard ([#&#8203;26695](go-gitea/gitea#26695)) ([#&#8203;26811](go-gitea/gitea#26811))
    -   Fix being unable to use a repo that prohibits accepting PRs as a PR source. ([#&#8203;26785](go-gitea/gitea#26785)) ([#&#8203;26790](go-gitea/gitea#26790))
    -   Fix Page Not Found error ([#&#8203;26768](go-gitea/gitea#26768))

</details>

---

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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/79
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:1.20.3
+          image: docker.io/gitea/gitea:1.20.4
           env:
             - name: "GITEA__database__DB_TYPE"
               value: "sqlite3"