chore(docker): bump alpine from 3.23 to 3.24 (#18)

Bumps alpine from 3.23 to 3.24.

---
updated-dependencies:
- dependency-name: alpine
  dependency-version: '3.24'
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Dockerfile

@@ -17,7 +17,7 @@ RUN CGO_ENABLED=0 GOOS=${TARGETOS} GOARCH=${TARGETARCH} go build \
     ./cmd/api
 
 # Runtime stage — pure Alpine, no Node.js
-FROM alpine:3.23
+FROM alpine:3.24
 
 RUN apk --no-cache add ca-certificates wget && \
     adduser -D -H appuser