Update ruby/setup-ruby action to v1.156.0

.github/workflows/build.yml

@@ -13,7 +13,7 @@ jobs:
     steps:
     - uses: actions/checkout@ee0669bd1cc54295c223e0bb666b733df41de1c5 # v2.7.0
     - name: Set up Ruby
-      uses: ruby/setup-ruby@d37167af451eb51448db3354e1057b75c4b268f7 # v1.155.0
+      uses: ruby/setup-ruby@5cfe23c062c0aac352e765b1b7cc12ea5255ccc4 # v1.156.0
       with:
         bundler-cache: true # runs 'bundle install' and caches installed gems automatically
     - name: Run tests

.github/workflows/schedule-doc-report.yml

@@ -10,7 +10,7 @@ jobs:
     steps:
     - uses: actions/checkout@ee0669bd1cc54295c223e0bb666b733df41de1c5 # v2.7.0
     - name: Set up Ruby
-      uses: ruby/setup-ruby@d37167af451eb51448db3354e1057b75c4b268f7 # v1.155.0
+      uses: ruby/setup-ruby@5cfe23c062c0aac352e765b1b7cc12ea5255ccc4 # v1.156.0
       with:
         bundler-cache: true # runs 'bundle install' and caches installed gems automatically
     - name: Generate report

.github/workflows/test.yml

@@ -11,7 +11,7 @@ jobs:
     steps:
     - uses: actions/checkout@ee0669bd1cc54295c223e0bb666b733df41de1c5 # v2.7.0
     - name: Set up Ruby
-      uses: ruby/setup-ruby@d37167af451eb51448db3354e1057b75c4b268f7 # v1.155.0
+      uses: ruby/setup-ruby@5cfe23c062c0aac352e765b1b7cc12ea5255ccc4 # v1.156.0
       with:
         bundler-cache: true # runs 'bundle install' and caches installed gems automatically
     - name: Run tests