Add permissions

Author: jamesnrokt

.github/workflows/pull-request.yml

@@ -6,6 +6,12 @@ concurrency:
   group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
   cancel-in-progress: true
 
+permissions:
+  contents: read
+  pull-requests: read
+  checks: write
+  id-token: write
+
 jobs:
   instrumented-tests:
     name: "Instrumented Tests"