deps: bump alpine from 3.19 to 3.23

Bumps alpine from 3.19 to 3.23.

---
updated-dependencies:
- dependency-name: alpine
  dependency-version: '3.23'
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

Dockerfile

@@ -23,7 +23,7 @@ RUN CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build \
     ./cmd/alexander-server
 
 # Final stage
-FROM alpine:3.19
+FROM alpine:3.23
 
 # Install runtime dependencies
 RUN apk add --no-cache ca-certificates tzdata