Bump alpine from 3.20.3 to 3.21.0 (#1446)

Bumps alpine from 3.20.3 to 3.21.0.

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

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Dockerfile

@@ -44,7 +44,7 @@ RUN ASSET_DIR=/src/app/build cargo build --workspace --bins --profile ${RUST_PRO
 # we need to create this symlink.
 RUN ln -s debug target/dev
 
-FROM alpine:3.20.3 AS final
+FROM alpine:3.21.0 AS final
 ARG GIT_REVISION=unknown
 ARG RUST_PROFILE=release
 LABEL revision=${GIT_REVISION}