Bump alpine from 3.21.1 to 3.21.2

Bumps alpine from 3.21.1 to 3.21.2.

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

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

Dockerfile

@@ -1,5 +1,5 @@
 # Base
-FROM alpine:3.21.1 AS base
+FROM alpine:3.21.2 AS base
 
 # Packages
 RUN apk add --no-cache \