fix: disable Redis RDB persistence in test deployments

Signed-off-by: Srihari <svenkata@redhat.com>

Author: Srihari1192

infra/feast-operator/test/testdata/feast_integration_test_crs/redis.yaml

@@ -16,6 +16,7 @@ spec:
       containers:
         - name: redis
           image: 'quay.io/feastdev-ci/feast-test-images:redis-7-alpine'
+          command: ["redis-server", "--save", ""]
           ports:
             - containerPort: 6379
           env:

sdk/python/tests/integration/rest_api/resource/redis.yaml

@@ -16,6 +16,7 @@ spec:
       containers:
         - name: redis
           image: 'quay.io/feastdev-ci/feast-test-images:redis-7-alpine'
+          command: ["redis-server", "--save", ""]
           ports:
             - containerPort: 6379
           env: