ci: use version-bump action for semver tagging

.gitea/workflows/build.yml

@@ -16,9 +16,14 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v4
 
+      - name: Bump version
+        id: version
+        uses: https://git.sebse.de/sebse/actions/version-bump@main
+        with:
+          token: ${{ github.token }}
+
       - name: Set env vars
         run: |
-          echo "SHORT_SHA=$(echo ${{ github.sha }} | cut -c1-7)" >> $GITHUB_ENV
           echo "IMAGE=git.sebse.de/${{ github.repository }}" >> $GITHUB_ENV
           echo "IMAGE_MIGRATE=git.sebse.de/${{ github.repository }}-migrate" >> $GITHUB_ENV
 
@@ -45,8 +50,8 @@ jobs:
         uses: https://git.sebse.de/sebse/actions/helm-package-push@main
         with:
           chart-path: ${{ env.CHART_PATH }}
-          version: 0.0.0-${{ env.SHORT_SHA }}
-          app-version: ${{ env.SHORT_SHA }}
+          version: ${{ steps.version.outputs.version }}
+          app-version: ${{ steps.version.outputs.version }}
           username: ${{ secrets.REGISTRY_USERNAME }}
           password: ${{ secrets.REGISTRY_TOKEN }}
 
@@ -55,5 +60,5 @@ jobs:
         with:
           app: factorio-signal-exporter
           profile: prod
-          version: 0.0.0-${{ env.SHORT_SHA }}
+          version: ${{ steps.version.outputs.version }}
           ssh-key: ${{ secrets.HELMBOT_SSH_KEY }}