lint-and-test/codeql-analysis: Limit GitHub token workflow permissions.

Author: neiljp

.github/workflows/codeql-analysis.yml

@@ -14,9 +14,16 @@ concurrency:
   group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
   cancel-in-progress: true
 
+permissions:
+  contents: read
+
 jobs:
   analyse:
     name: Analyse
+    permissions:
+      actions: read
+      contents: read
+      security-events: write
     runs-on: ubuntu-latest
 
     steps:

.github/workflows/lint-and-test.yml

@@ -13,6 +13,9 @@ concurrency:
   group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
   cancel-in-progress: true
 
+permissions:
+  contents: read
+
 jobs:
   mypy:
     runs-on: ubuntu-latest