Merge pull request #355 from ruby-formatter/actions-update-20251225

update github actions

Author: kzkn

.github/workflows/ci.yml

@@ -16,10 +16,10 @@ jobs:
         ruby_version: ['3.4', '3.3', '3.2', '3.1', '3.0']
 
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
 
     - name: Setup Ruby
-      uses: ruby/setup-ruby@v1
+      uses: ruby/setup-ruby@d354de180d0c9e813cfddfcbdc079945d4be589b # v1.275.0
       with:
         ruby-version: ${{ matrix.ruby_version }}
         bundler-cache: true
@@ -36,7 +36,7 @@ jobs:
                           --format progress
 
     - name: Upload code coverage
-      uses: codecov/codecov-action@v4
+      uses: codecov/codecov-action@671740ac38dd9b0130fbe1cec585b89eea48d3de # v5.5.2
       with:
         files: ./coverage/coverage.xml
 
@@ -53,7 +53,7 @@ jobs:
         bin/verify-sample-code
 
     - name: Save test results
-      uses: actions/upload-artifact@v4
+      uses: actions/upload-artifact@b7c566a772e6b6bfb58ed0dc250532a479d7789f # v6.0.0
       if: always()
       with:
         name: coverage-ruby-${{ matrix.ruby_version }}