fix: update PR title semantic check pattern to ensure proper formatting

Author: ceccopierangiolieugenio

.github/workflows/pr-title-semantic-check.yml

@@ -22,7 +22,7 @@ jobs:
 
           # Allowed: type(scope): subject
           # Also allowed: type!: subject or type(scope)!: subject
-          pattern='^(build|chore|ci|docs|feat|fix|perf|refactor|revert|style|test)(\([a-z0-9._/-]+\))?(!)?: .+$'
+          pattern='^(build|chore|ci|docs|feat|fix|perf|refactor|revert|style|test)(\([a-z0-9._/-]+\))?(!)?: [^[:space:]].*$'
 
           if [[ "$PR_TITLE" =~ $pattern ]]; then
             echo "✅ PR title is semantic: $PR_TITLE"