chore(deps): update postgres:16.6-alpine docker digest to 56e87f5 (#2270

)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| postgres | final | digest | `52bba37` -> `56e87f5` |

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src/accounts/accounts-db/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 postgres:16.6-alpine@sha256:52bba373df3c13594014b5e9ccc9f3c2cdb2221d50db1a91ec64570819f18aba
+FROM postgres:16.6-alpine@sha256:56e87f5517713be839c1ce724ec275cb46579fb05edbb0887f26f60faebe7f0d
 
 # Files for initializing the database.
 COPY initdb/0-accounts-schema.sql initdb/1-load-testdata.sh /docker-entrypoint-initdb.d/

src/ledger/ledger-db/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 postgres:16.6-alpine@sha256:52bba373df3c13594014b5e9ccc9f3c2cdb2221d50db1a91ec64570819f18aba
+FROM postgres:16.6-alpine@sha256:56e87f5517713be839c1ce724ec275cb46579fb05edbb0887f26f60faebe7f0d
 
 # Need to get coreutils to get the date bash function working properly:
 RUN apk add --no-cache coreutils && rm -rf /var/cache/apk/*