Fix GitHub Actions warning (#5494) (#5538)

(cherry picked from commit e49b8a9)

Author: pquentin

.github/workflows/validate-apis.yml

@@ -93,8 +93,6 @@ jobs:
         with:
           path: ./clients-flight-recorder/recordings/types-validation/types-validation.json
           key: types-validation-json-${{ format('{0}-{1}', github.ref_name, github.sha) }}
-          restore-keys: |
-            types-validation-json-${{ github.ref_name }}-
 
       - name: Run validation (PR)
         if: github.event_name == 'pull_request'