🐛 Fix version check (#368)

* updates

* updates

* updates

Author: laurentsimon

.github/workflows/scripts/builder-fetch.sh

@@ -14,7 +14,7 @@ set -euo pipefail
 PREFIX="refs/tags/"
 
 # Extract version.
-if [[ "$BUILDER_REF" =~ ^$PREFIX* ]]; then
+if [[ "$BUILDER_REF" != "$PREFIX"* ]]; then
     echo "Invalid ref: $BUILDER_REF"
     exit 2
 fi