fix: remove deprecated cache action (#81)

* fix: remove deprecated cache action

* replace caching action

* fix: add key

Author: goerge-miguel-covergo

.gflows/libs/integration-tests-legacy-steps.lib.yml

@@ -23,7 +23,14 @@
     service-under-test: #@ environment.service_under_test.name
     image-under-test: #@ tagging.candidate_image(registry, environment.service_under_test.image)
 
-- uses: c-hive/gha-yarn-cache@v2
+- uses: actions/cache@v4
+  with:
+    path: |
+      **/node_modules
+      **/.cache/yarn
+    key: ${{ runner.os }}-yarn-${{ hashFiles('**/yarn.lock') }}
+    restore-keys: |
+      ${{ runner.os }}-yarn-
 - name: Install yarn
   run: yarn install
 #@ for test_case in test_suites.tests: