fix escaping

Author: robstoll

.github/workflows/cleanup.yml

@@ -21,12 +21,12 @@ jobs:
       - uses: actions/checkout@v4
       # start inserted via pull-hook.sh - modify there
       - name: Setup JDK 17
-        uses: actions/setup-java
+        uses: actions/setup-java@v4
         with:
           distribution: temurin
           java-version: 17
           cache: sbt
-      - uses: sbt/setup-sbt
+      - uses: sbt/setup-sbt@v1
       # end inserted via pull-hook.sh - modify there
       - name: Cleanup Sources
         run: ./scripts/cleanup-on-push-to-main.sh

.gt/remotes/tegonal-gh-commons/pull-hook.sh

@@ -49,8 +49,7 @@ function gt_pullHook_tegonal_gh_commons_before() {
 					      # end inserted via pull-hook.sh - modify there
 				EOM
 		)
-
-		perl -0777 -i -pe "s|\n(\s+ - name: Cleanup Sources)|\n$yaml\n\${1}|g" "$source"
+		YAML="$yaml" perl -0777 -i -pe "s|\n(\s+ - name: Cleanup Sources)|\n\$ENV{YAML}\n\${1}|g" "$source"
 	fi
 }