[StepSecurity] ci: Harden GitHub Actions for fixing Token-Permissions

.github/workflows/add-to-project.yml

@@ -3,6 +3,9 @@ on:
     types:
       - opened
 
+permissions:
+  contents: read
+
 jobs:
   add-to-project:
     name: Add issue to project

.github/workflows/build.yml

@@ -4,6 +4,9 @@ on:
   push:
   pull_request:
 
+permissions:
+  contents: read
+
 jobs:
   build:
     if: github.event_name == 'push' || github.event.pull_request.head.repo.full_name != github.repository

.github/workflows/codeql.yml

@@ -8,6 +8,9 @@ on:
   schedule:
     - cron: '38 21 * * 1'
 
+permissions:
+  contents: read
+
 jobs:
   analyze:
     name: Analyze

.github/workflows/release-github.yml

@@ -5,8 +5,13 @@ on:
     tags:
       - v*
 
+permissions:
+  contents: read
+
 jobs:
   build:
+    permissions:
+      contents: write  # for goreleaser/goreleaser-action to create a GitHub release
     name: Release Notation Binaries
     runs-on: ubuntu-20.04
     strategy: