fixed some broken stuff in the autotagger

.forgejo/workflows/autotagger.yaml

@@ -27,7 +27,7 @@ jobs:
         id: check_commit_message
         run: |
           COMMIT_MESSAGE=$(echo "${{ steps.extract_commit_message.outputs.message }}")
-          PATTERN="^(?:V|v)ersion\ bump(?:ed)?\ to\ ([0-9]+\.[0-9]+\.[0-9]+.*)"
+          PATTERN="^(?:V|v)ersion\ bump(?:ed)?\ to\ ([0-9]+\.[0-9]+\.[0-9]+(?:-[a-zA-Z0-9]+)?)$"
           if [ "$COMMIT_MESSAGE" =~ $PATTERN ]; then
             echo "Found version bump in commit message."
             echo "::set-output name=version::${BASH_REMATCH[1]}"