Fix lowercase actions.

.gitea/workflows/pub-on-tag.yaml

@@ -15,6 +15,10 @@ jobs:
     name: Build and Push
     runs-on: ubuntu-latest
     steps:
+      - name: downcase REPO_OWNER
+        run: |
+          echo "REPO_OWNER=${gitea.repository_owner,,}" >> "${gitea.env}"
+
       - name: Checkout
         uses: actions/checkout@v4
 
@@ -38,7 +42,7 @@ jobs:
         with:
           context: .
           push: true
-          tags: ${{vars.REGISTRY_INSTANCE}}/somnia/somniaroomsapp:devbuild
+          tags: ${{vars.REGISTRY_INSTANCE}}/${{env.REPO_OWNER}}/somniaroomsapp:devbuild
           target: final-prod
           platforms: linux/amd64,linux/arm64
           secrets: |