chore(deps): bump alpine from 3.18.5 to 3.19.0 in /dockerfiles

Bumps alpine from 3.18.5 to 3.19.0.

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

Signed-off-by: dependabot[bot] <support@github.com>

dockerfiles/Dockerfile

@@ -1,4 +1,4 @@
-FROM --platform=$BUILDPLATFORM alpine:3.18.5 as alpine
+FROM --platform=$BUILDPLATFORM alpine:3.19.0 as alpine
 
 RUN apk add --no-cache \
     ca-certificates \