Update docker Docker tag to v29

Author: renovate-bot

tutorials/verification-run/app-config/hello-verify/Dockerfile

@@ -11,7 +11,7 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
-FROM docker:26.1.3 as static-docker-source
+FROM docker:29.0.2 as static-docker-source
 FROM alpine:3.15
 ARG CLOUD_SDK_VERSION=400.0.0
 ENV CLOUD_SDK_VERSION=$CLOUD_SDK_VERSION