Bump alpine from 3.21.0 to 3.21.2 in /crates/cli in the docker group

Bumps the docker group in /crates/cli with 1 update: alpine.


Updates `alpine` from 3.21.0 to 3.21.2

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

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

Author: dependabot[bot]

crates/cli/Dockerfile

@@ -9,7 +9,7 @@ WORKDIR /landscape2/crates/cli
 RUN cargo build --release
 
 # Final stage
-FROM alpine:3.21.0
+FROM alpine:3.21.2
 RUN addgroup -S landscape2 && adduser -S landscape2 -G landscape2
 RUN apk --no-cache add bash chromium font-ubuntu
 USER landscape2