Bump alpine from 3.18 to 3.20

Bumps alpine from 3.18 to 3.20.

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

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

Dockerfile

@@ -33,7 +33,7 @@ RUN --mount=type=bind,source=src,target=src \
 # runtime dependencies for the application. This often uses a different base
 # image from the build stage where the necessary files are copied from the build
 # stage.
-FROM alpine:3.18 AS final
+FROM alpine:3.20 AS final
 
 WORKDIR /app