Separate tags by comma

.gitea/workflows/build.yml

@@ -81,7 +81,8 @@ jobs:
               echo "${TAG}"
           done
 
-          echo "alias_tags=${alias_tags[*]}" >> $GITEA_OUTPUT
+          alias_tags_string=$(IFS=, ; echo "${alias_tags[*]}")
+          echo "alias_tags=${alias_tags_string}" >> $GITEA_OUTPUT
 
       # Build metadata
       - name: Image Metadata
@@ -96,7 +97,7 @@ jobs:
             org.opencontainers.image.description=${{ env.MY_IMAGE_DESC }}
             org.opencontainers.image.title=${{ env.MY_IMAGE_NAME }}
 
-      - name: Login to GitHub Container Registry
+      - name: Login to Container Registry
         uses: https://github.com/docker/login-action@v3
         with:
           registry: gitea.mrdev023.fr