chore: bumped actions/checkout to v4

.github/workflows/ci.yaml

@@ -9,85 +9,45 @@ jobs:
 
     strategy:
       matrix:
-        rails:
-          - "6.1"
-          - "7.0"
-          - "7.1"
-
-        ruby:
-          - "3.0"
-          - "3.1"
-          - "3.2"
+        rails: ["6.1", "7.0", "7.1", "master"]
+        ruby: ["3.0", "3.1", "3.2"]
 
         exclude:
           - rails: "7.1"
-
-            ruby: "3.2"
-
-          - rails: "7.1"
-
             ruby: "3.1"
-
-          - rails: "7.1"
-
-            ruby: "3.0"
-
           - rails: "7.0"
-
-            ruby: "3.2"
-
-          - rails: "7.0"
-
             ruby: "3.1"
-
-          - rails: "7.0"
-
+          - rails: "6.0"
             ruby: "3.0"
-
-          - rails: "6.1"
-
-            ruby: "3.2"
-
-          - rails: "6.1"
-
+          - rails: "6.0"
             ruby: "3.1"
-
-          - rails: "6.1"
-
-            ruby: "3.0"
+          - rails: "6.0"
+            ruby: "3.2"
 
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v2
-
+      - uses: actions/checkout@v4
       - uses: ruby/setup-ruby@v1
-
         with:
           ruby-version: ${{ matrix.ruby }}
 
       - name: Install toolchain
-
         run: |
           sudo apt-get update
           sudo apt-get install \
             build-essential \
             libsqlite3-dev
 
       - name: Install bundler
-
         run: gem install bundler
 
       - env:
           RAILS_VERSION: ${{ matrix.rails }}
-
         name: Install dependencies
-
         run: bundle install
 
       - env:
           RAILS_VERSION: ${{ matrix.rails }}
-
         name: Test
-
         run: bundle exec rspec