Bump alpine from 3.22 to 3.23

Bumps alpine from 3.22 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] <[email protected]>

Author: dependabot[bot]

Dockerfile

@@ -9,7 +9,7 @@ RUN go mod download
 WORKDIR /app/cmd/backup
 RUN go build -o backup .
 
-FROM alpine:3.22
+FROM alpine:3.23
 
 WORKDIR /root