Bump library/alpine

Bumps library/alpine from 3.20.3 to 3.21.2.

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

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

open-metadata-resources/open-metadata-deployment/docker/configure/Dockerfile

@@ -1,7 +1,7 @@
 # SPDX-License-Identifier: Apache-2.0
 # Copyright Contributors to the Egeria project
 
-FROM docker.io/library/alpine:3.20.3
+FROM docker.io/library/alpine:3.21.2
 ARG version=5.3-SNAPSHOT
 ARG VCS_REF=unknown
 ARG VCS_ORIGIN=unknown