Harden GitHub workflows

.github/dependabot.yml

@@ -4,13 +4,17 @@ updates:
   - package-ecosystem: "github-actions"
     directory: "/"
     schedule:
-      interval: "daily"
-    # Too noisy. See https://github.community/t/increase-if-necessary-for-github-actions-in-dependabot/179581
-    open-pull-requests-limit: 0
+      interval: "weekly"
+    cooldown:
+      default-days: 7
+    ignore:
+      - dependency-name: "yiisoft/*"
 
   # Maintain dependencies for Composer
   - package-ecosystem: "composer"
     directory: "/"
     schedule:
       interval: "daily"
+    cooldown:
+      default-days: 7
     versioning-strategy: increase-if-necessary

.github/workflows/bc.yml

@@ -1,3 +1,6 @@
+permissions:
+  contents: read
+
 on:
   pull_request:
     paths-ignore:

.github/workflows/bench.yml

@@ -1,3 +1,6 @@
+permissions:
+  contents: read
+
 on:
   pull_request:
     paths-ignore:

.github/workflows/build.yml

@@ -1,3 +1,6 @@
+permissions:
+  contents: read
+
 on:
   pull_request:
     paths-ignore:
@@ -25,6 +28,8 @@ name: build
 jobs:
   phpunit:
     uses: yiisoft/actions/.github/workflows/phpunit.yml@master
+    secrets:
+      CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
     with:
       extensions: intl,fileinfo
       coverage: xdebug
@@ -34,6 +39,8 @@ jobs:
         ['8.1', '8.2', '8.3', '8.4', '8.5']
   phpunit-without-intl:
     uses: yiisoft/actions/.github/workflows/phpunit.yml@master
+    secrets:
+      CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
     with:
       phpunitConfig: phpunit-without-intl.xml
       extensions: :intl

.github/workflows/composer-require-checker.yml

@@ -1,3 +1,6 @@
+permissions:
+  contents: read
+
 on:
   pull_request:
     paths-ignore:

.github/workflows/docs.yml

@@ -16,6 +16,10 @@ on:
 permissions:
   contents: read
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
   check-docs:
     name: Check docs
@@ -42,7 +46,7 @@ jobs:
     name: Update docs
     if: github.event_name == 'push'
     permissions:
-      contents: write
+      contents: write # Required to push generated docs translation updates.
     runs-on: ubuntu-latest
     steps:
       - name: Checkout

.github/workflows/mutation.yml

@@ -1,3 +1,6 @@
+permissions:
+  contents: read
+
 on:
   pull_request:
     paths-ignore:

.github/workflows/rector-cs.yml

@@ -1,7 +1,7 @@
 name: Rector + PHP CS Fixer
 
 on:
-  pull_request_target:
+  pull_request:
     paths-ignore:
       - 'docs/**'
       - 'README.md'
@@ -21,8 +21,7 @@ concurrency:
 jobs:
   rector:
     uses: yiisoft/actions/.github/workflows/rector-cs.yml@master
-    secrets:
-      token: ${{ secrets.YIISOFT_GITHUB_TOKEN }}
+    permissions:
+      contents: write # Required by the reusable workflow to push Rector and PHP CS Fixer changes.
     with:
-      repository: ${{ github.event.pull_request.head.repo.full_name }}
       php: '8.1'

.github/workflows/static.yml

@@ -1,3 +1,6 @@
+permissions:
+  contents: read
+
 on:
   pull_request:
     paths-ignore:

.github/workflows/zizmor.yml

@@ -0,0 +1,22 @@
+name: GitHub Actions Security Analysis with zizmor 🌈
+
+on:
+  push:
+    branches:
+      - master
+      - main
+    paths:
+      - '.github/**.yml'
+      - '.github/**.yaml'
+  pull_request:
+    paths:
+      - '.github/**.yml'
+      - '.github/**.yaml'
+
+permissions:
+  actions: read # Required by zizmor when reading workflow metadata through the API.
+  contents: read # Required to read workflow files.
+
+jobs:
+  zizmor:
+    uses: yiisoft/actions/.github/workflows/zizmor.yml@master