add permissions for GitHub Actions jobs in rust.yml

Author: korewaChino

.github/workflows/rust.yml

@@ -1,5 +1,11 @@
 name: Rust
 
+permissions:
+  contents: read
+  pull-requests: write
+  checks: write
+  security-events: write
+
 on:
   push:
   pull_request:
@@ -50,6 +56,11 @@ jobs:
           sarif_file: rust-clippy-results.sarif
           wait-for-processing: true
   test:
+    permissions:
+      contents: read
+      pull-requests: write
+      checks: write
+      security-events: write
     if: (github.event_name != 'pull_request' && ! github.event.pull_request.head.repo.fork) || (github.event_name == 'pull_request' && github.event.pull_request.head.repo.fork)
     runs-on: ubuntu-latest
     steps: