chore(deps): update python:3.12 docker digest to 73840b2 (#674)

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 python:3.12@sha256:e3d5b6f95ce66923b5e48a06ee5755abb097de96a8617c3f2f7d431d48e63d35
+FROM python:3.12@sha256:73840b2eacd375e9ab38d65c5ccca1f98524cabccbdc4f9d0932a55d1967a1ab
 
 EXPOSE 9000
 WORKDIR /opt/storage-testbench