ci.yml in zeebe-client-0.20.0

- old
+ new

@@ -18,10 +18,10 @@
         ruby-version:
         - '3.0'
         - '3.1'
         - '3.2'
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
 
     - name: Set up Ruby ${{ matrix.ruby-version }}
       uses: ruby/setup-ruby@v1
       with:
         ruby-version: ${{ matrix.ruby-version }}