Add permissions to write to PRs

Author: MaddyGuthridge

.github/workflows/python-app.yml

@@ -11,6 +11,14 @@ on:
     branches:
       - main
 
+# Yoinked from https://github.com/MTES-MCT/apilos/pull/854/files
+# Explicitely set permissions to allow Dependabot workflow runs to write in the PR
+# for coverage's reporting.
+# By default, these are read-only when the actions are ran by Dependabot
+# https://docs.github.com/en/code-security/dependabot/working-with-dependabot/automating-dependabot-with-github-actions#changing-github_token-permissions
+permissions:
+  pull-requests: write
+
 jobs:
   Pytest:
     runs-on: ubuntu-latest