Add permissions: checks: read t to flaky-tests workflow (#414)

* Add permissions: checks: read to find-flaky-tests workflow

Author: soemo

.github/workflows/template_flaky_tests.yml

@@ -34,6 +34,7 @@ jobs:
     name: Flaky-Tests
     runs-on: ubuntu-slim
     permissions:
+      checks: read
       contents: read
     steps:
       - name: Find flaky tests

README.md

@@ -190,7 +190,9 @@ on:
 jobs:
   flaky-tests:
     uses: Staffbase/gha-workflows/.github/workflows/template_flaky_tests.yml@8b3899b42a8bc3eb63645192e2c7974a80069063 # v12.0.0
-    permissions: {}
+    permissions:
+      checks: read
+      contents: read
     with:
       # identifier for the slack channel
       slack-channel-id: 45678787976