ci.yml in zeebe-client-0.18.0

- old
+ new

@@ -14,16 +14,14 @@
   build:
     runs-on: ubuntu-latest
     strategy:
       matrix:
         ruby-version:
-        - '2.5'
-        - '2.6'
         - '2.7'
         - '3.0'
         - '3.1'
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
     - name: Set up Ruby ${{ matrix.ruby-version }}
       uses: ruby/setup-ruby@v1
       with:
         ruby-version: ${{ matrix.ruby-version }}
         bundler-cache: true  # runs 'bundle install' and caches installed gems automatically