Harden GitHub workflows

.github/dependabot.yml

@@ -1,16 +1,20 @@
 version: 2
 updates:
-    # Maintain dependencies for GitHub Actions.
-    - 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
+  # Maintain dependencies for GitHub Actions.
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+    cooldown:
+      default-days: 7
+    ignore:
+      - dependency-name: "yiisoft/*"
 
-    # Maintain dependencies for Composer
-    - package-ecosystem: "composer"
-      directory: "/"
-      schedule:
-          interval: "daily"
-      versioning-strategy: increase-if-necessary
+  # Maintain dependencies for Composer
+  - package-ecosystem: "composer"
+    directory: "/"
+    schedule:
+        interval: "daily"
+    versioning-strategy: increase-if-necessary
+    cooldown:
+      default-days: 7

.github/workflows/bechmark.yml

@@ -24,11 +24,23 @@ on:
 
 name: bechmark
 
+permissions:
+  contents: read
 jobs:
   phpbench:
     uses: yiisoft/actions/.github/workflows/phpbench.yml@master
     with:
       os: >-
-        ['ubuntu-latest', 'windows-latest']
+        ['ubuntu-latest']
       php: >-
         ['8.1', '8.2', '8.3', '8.4']
+
+  phpbench-windows:
+    uses: yiisoft/actions/.github/workflows/phpbench.yml@master
+    with:
+      os: >-
+        ['windows-latest']
+      php: >-
+        ['8.1', '8.2', '8.3', '8.4']
+      baseline-assertion: >-
+        mode(variant.time.avg) <= mode(baseline.time.avg) +/- 15%

.github/workflows/build.yml

@@ -22,6 +22,8 @@ on:
 
 name: build
 
+permissions:
+  contents: read
 jobs:
   phpunit:
     uses: yiisoft/actions/.github/workflows/phpunit.yml@master

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

@@ -24,6 +24,8 @@ on:
 
 name: Composer require checker
 
+permissions:
+  contents: read
 jobs:
   composer-require-checker:
     uses: yiisoft/actions/.github/workflows/composer-require-checker.yml@master

.github/workflows/mutation.yml

@@ -20,6 +20,8 @@ on:
 
 name: mutation test
 
+permissions:
+  contents: read
 jobs:
   mutation:
     uses: yiisoft/actions/.github/workflows/roave-infection.yml@master

.github/workflows/rector-cs.yml

@@ -12,14 +12,16 @@ on:
       - '.php-cs-fixer.dist.php'
 
 permissions:
-  contents: write
+  contents: read
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.ref }}
   cancel-in-progress: true
 
 jobs:
   rector:
+    permissions:
+      contents: write # Required to push PHP CS Fixer and Rector changes back to the branch.
     uses: yiisoft/actions/.github/workflows/rector-cs.yml@master
     with:
       php: '8.1'

.github/workflows/static.yml

@@ -22,6 +22,8 @@ on:
 
 name: static analysis
 
+permissions:
+  contents: read
 jobs:
   psalm:
     uses: yiisoft/actions/.github/workflows/psalm.yml@master

.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