feat(deps): 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]>

Author: dependabot[bot]

Dockerfile

@@ -1,5 +1,5 @@
 # Production Stage
-FROM alpine:3.18
+FROM alpine:3.20
 
 LABEL maintainer="[email protected]" \
       org.opencontainers.image.source=https://github.com/openim-sigs/openim-base-image \