chore(deps): update stalwartlabs/stalwart docker tag to v0.13.4 (#5170)

* chore(deps): update stalwartlabs/stalwart docker tag to v0.13.4

* Update app version [skip ci]

---------

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Co-authored-by: github-action update-app-version <[email protected]>

Author: renovate[bot]

apps/stalwart-mail/0.13.3-alpine/data.yml renamed to apps/stalwart-mail/0.13.4-alpine/data.yml

@@ -1,6 +1,6 @@
 services:
   stalwart-mail:
-    image: stalwartlabs/stalwart:v0.13.3-alpine
+    image: stalwartlabs/stalwart:v0.13.4-alpine
     container_name: ${CONTAINER_NAME}
     restart: always
     networks: