Restrict token permissions

Author: trask

.github/workflows/build.yml

@@ -7,6 +7,9 @@ on:
   pull_request:
   workflow_dispatch:
 
+permissions:
+  contents: read
+
 concurrency:
   group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.sha }}
   cancel-in-progress: true

.github/workflows/ossf-scorecard.yml

@@ -8,12 +8,14 @@ on:
     - cron: "43 6 * * 5" # weekly at 06:43 (UTC) on Friday
   workflow_dispatch:
 
-permissions: read-all
+permissions:
+  contents: read
 
 jobs:
   analysis:
     runs-on: ubuntu-latest
     permissions:
+      contents: read
       # Needed for Code scanning upload
       security-events: write
       # Needed for GitHub OIDC token if publish_results is true

.github/workflows/release.yml

@@ -2,8 +2,13 @@ name: Release
 on:
   workflow_dispatch:
 
+permissions:
+  contents: read
+
 jobs:
   release:
+    permissions:
+      contents: write # for creating the release
     runs-on: ubuntu-latest
     outputs:
       version: ${{ steps.create-github-release.outputs.version }}