chore: Set permissions for GitHub actions (#1182)

Author: nedtwigg

.github/workflows/codeql-analysis.yml

@@ -14,8 +14,15 @@ on:
   schedule:
     - cron: '0 16 * * 3'
 
+permissions:
+  contents: read
+
 jobs:
   analyze:
+    permissions:
+      actions: read  # for github/codeql-action/init to get workflow details
+      contents: read  # for actions/checkout to fetch code
+      security-events: write  # for github/codeql-action/autobuild to send a status report
     name: Analyze
     runs-on: ubuntu-latest
 

.github/workflows/gradle-wrapper-validation.yml

@@ -1,6 +1,9 @@
 name: "Validate Gradle Wrapper"
 on: [push, pull_request]
 
+permissions:
+  contents: read
+
 jobs:
   validation:
     name: "Validation"