CI: Fix tag detection

CI/package-ubuntu.sh

@@ -5,8 +5,9 @@ set -e
 export GIT_HASH=$(git rev-parse --short HEAD)
 export PKG_VERSION="1-$GIT_HASH-$BRANCH_SHORT_NAME-git"
 
-if [[ "$BRANCH_FULL_NAME" =~ "^refs/tags/" ]]; then
+if [[ $BRANCH_FULL_NAME =~ ^refs/tags/ ]]; then
 	export PKG_VERSION="$BRANCH_SHORT_NAME"
+        echo "[obs-websocket] Branch is a tag. Setting version to `$PKG_VERSION`."
 fi
 
 cd ./build