ci: pin all GitHub Actions by SHA and update via dependabot (#106)

* Add dependabot for github actions

* Pin actions by hash

Author: xopham

.github/dependabot.yml

@@ -0,0 +1,15 @@
+# To get started with Dependabot version updates, you'll need to specify which
+# package ecosystems to update and where the package manifests are located.
+# Please see the documentation for all configuration options:
+# https://docs.github.com/code-security/dependabot/dependabot-version-updates/configuration-options-for-the-dependabot.yml-file
+
+version: 2
+updates:
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "monthly"
+    groups:
+      gh-actions-packages:
+        patterns:
+          - "*"

.github/workflows/build.yml

@@ -7,10 +7,10 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
 
       - name: Set up Ruby 3.2
-        uses: ruby/setup-ruby@v1
+        uses: ruby/setup-ruby@8711a86ab6f9aa72890da4123b2ef7283b6b22b6 # v1.217.0
         with:
           ruby-version: 3.2
 
@@ -31,10 +31,10 @@ jobs:
         ruby-version: [3.2, 3.3]
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
 
       - name: Set up Ruby ${{ matrix.ruby-version }}
-        uses: ruby/setup-ruby@v1
+        uses: ruby/setup-ruby@8711a86ab6f9aa72890da4123b2ef7283b6b22b6 # v1.217.0
         with:
           ruby-version: ${{ matrix.ruby-version }}
 
@@ -55,16 +55,16 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
 
       - name: Set up Node 16
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@1d0ff469b7ec7b3cb9d8673fde0c81c44821de2a # v4.2.0
         with:
           node-version: 16
 
       - name: Cache Node modules
         id: cache-node-modules
-        uses: actions/cache@v3
+        uses: actions/cache@f4b3439a656ba812b8cb417d2d49f9c810103092 # v3.4.0
         with:
           path: "**/node_modules"
           key: ${{ runner.os }}-modules-${{ hashFiles('**/yarn.lock') }}

.github/workflows/check-size.yml

@@ -7,16 +7,16 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
 
       - name: Set up Node 14.15
-        uses: actions/setup-node@v3
+        uses: actions/setup-node@1a4442cacd436585916779262731d5b162bc6ec7 # v3.8.2
         with:
           node-version: 14.15
 
       - name: Cache Node modules
         id: cache-node-modules
-        uses: actions/cache@v3
+        uses: actions/cache@f4b3439a656ba812b8cb417d2d49f9c810103092 # v3.4.0
         with:
           path: "**/node_modules"
           key: ${{ runner.os }}-modules-${{ hashFiles('**/yarn.lock') }}

.github/workflows/codeql-analysis.yml

@@ -25,11 +25,11 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
 
       # Initializes the CodeQL tools for scanning.
       - name: Initialize CodeQL
-        uses: github/codeql-action/init@v2
+        uses: github/codeql-action/init@b8d3b6e8af63cde30bdc382c0bc28114f4346c88 # v2.28.1
         with:
           languages: ${{ matrix.language }}
           # If you wish to specify custom queries, you can do so here or in a config file.
@@ -40,7 +40,7 @@ jobs:
       # Autobuild attempts to build any compiled languages  (C/C++, C#, or Java).
       # If this step fails, then you should remove it and run the build manually (see below)
       - name: Autobuild
-        uses: github/codeql-action/autobuild@v2
+        uses: github/codeql-action/autobuild@b8d3b6e8af63cde30bdc382c0bc28114f4346c88 # v2.28.1
 
       - name: Perform CodeQL Analysis
-        uses: github/codeql-action/analyze@v2
+        uses: github/codeql-action/analyze@b8d3b6e8af63cde30bdc382c0bc28114f4346c88 # v2.28.1