chore(deps): pin actions/checkout action to 08c6903 (#6)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [actions/checkout](https://github.com/actions/checkout) | action | pinDigest |  -> `08c6903` |

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### Configuration

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Reviewed-on: #6
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/cd.yaml

@@ -10,16 +10,15 @@ jobs:
     name: Release
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5
         with:
           fetch-depth: 0
-      - run: npm ci
       - name: Increment tag
         id: tag
         uses: https://gitea.t000-n.de/t.behrendt/conventional-semantic-git-tag-increment@0.1.2
         with:
           token: ${{ secrets.GITEA_TOKEN }}
       - name: Push tag
-        run: |
-          git tag ${{ steps.tag.outputs.new-tag }}
-          git push origin ${{ steps.tag.outputs.new-tag }}
+        uses: ./release-git-tag
+        with:
+          tag: ${{ steps.tag.outputs.new-tag }}

.gitea/workflows/ci.yaml

@@ -1,14 +0,0 @@
-name: CI
-
-on: [push, pull_request]
-
-jobs:
-  lint:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v5
-      - uses: actions/setup-go@v6
-        with:
-          go-version: 1.25.1
-      - run: go install github.com/rhysd/actionlint/cmd/actionlint@latest
-      - run: actionlint