🌱 use env: to set variable. Otherwise quoting issues.

If the title contains quotes, the currrent GitHub Action will fail to run.

Author: guettli

.github/workflows/verify.yml

@@ -13,14 +13,14 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Validate PR Title Format
+        env:
+          TITLE: ${{ github.event.pull_request.title }}
         run: |
-          TITLE="${{ github.event.pull_request.title }}"
-          
           if [[ -z "$TITLE" ]]; then
             echo "Error: PR title cannot be empty."
             exit 1
           fi
-          
+
           if ! [[ "$TITLE" =~ ^($'\u26A0'|$'\u2728'|$'\U0001F41B'|$'\U0001F4D6'|$'\U0001F680'|$'\U0001F331') ]]; then
             echo "Error: Invalid PR title format."
             echo "Your PR title must start with one of the following indicators:"
@@ -32,5 +32,5 @@ jobs:
             echo "- Infra/Tests/Other: 🌱 (U+1F331)"
             exit 1
           fi
-          
+
           echo "PR title is valid: '$TITLE'"