Bump alpine from 3.18 to 3.19

Bumps alpine from 3.18 to 3.19.

---
updated-dependencies:
- dependency-name: alpine
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Dockerfile

@@ -48,7 +48,7 @@ COPY ./templates /app/templates/
 # By specifying the "3.18" tag, it will use version 3.18 of alpine. If
 # reproducability is important, consider using a digest
 # (e.g., alpine@sha256:664888ac9cfd28068e062c991ebcff4b4c7307dc8dd4df9e728bedde5c449d91).
-FROM alpine:3.18 AS final
+FROM alpine:3.19 AS final
 
 # Create a non-privileged user that the app will run under.
 # See https://docs.docker.com/go/dockerfile-user-best-practices/