Update BDD tests workflow with permissions

Added permissions for contents and pull-requests.

Author: rofrano

.github/workflows/bdd-tests.yml

@@ -15,6 +15,10 @@ on:
     - '.vscode/**'
     - '**.md'
 
+permissions:
+  contents: read
+  pull-requests: write
+
 jobs:
   build:
     runs-on: ubuntu-latest