chore(deps): pin dependencies (#62)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [actions/cache](https://github.com/actions/cache) | action | pinDigest |  -> `0057852` |
| [actions/checkout](https://github.com/actions/checkout) | action | pinDigest |  -> `8e8c483` |
| [actions/setup-go](https://github.com/actions/setup-go) | action | pinDigest |  -> `4dc6199` |
| [docker/build-push-action](https://github.com/docker/build-push-action) | action | pinDigest |  -> `2634353` |
| [docker/login-action](https://github.com/docker/login-action) | action | pinDigest |  -> `5e57cd1` |
| [docker/setup-buildx-action](https://github.com/docker/setup-buildx-action) | action | pinDigest |  -> `e468171` |
| gcr.io/distroless/static-debian12 | final | pinDigest |  -> `4b2a093` |
| golang | stage | pinDigest |  -> `2611181` |
| [https://gitea.com/actions/go-hashfiles](https://gitea.com/actions/go-hashfiles) | action | pinDigest |  -> `264ae76` |

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Reviewed-on: #62
Reviewed-by: t.behrendt <t.behrendt@noreply.localhost>
Co-authored-by: Renovate Bot <renovate@t00n.de>
Co-committed-by: Renovate Bot <renovate@t00n.de>

.gitea/workflows/ci.yaml

@@ -13,14 +13,14 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v6
+        uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6
       - name: Setup go
-        uses: actions/setup-go@v6
+        uses: actions/setup-go@4dc6199c7b1a012772edbd06daecab0f50c9053c # v6
         with:
           go-version-file: go.mod
           check-latest: true
       - name: Create cache key
-        uses: https://gitea.com/actions/go-hashfiles@v0.0.1
+        uses: https://gitea.com/actions/go-hashfiles@264ae76b7e50173ce71ed7da4b48e5e517f3f9ec # v0.0.1
         id: hash-go
         with:
           patterns: |
@@ -28,7 +28,7 @@ jobs:
             go.sum
       - name: cache go
         id: cache-go
-        uses: actions/cache@v4
+        uses: actions/cache@0057852bfaa89a56745cba8c7296529d2fc39830 # v4
         with:
           path: |
             /go_path