Bump golang in /ci/images/backup-and-restore-minimal

Bumps golang from 1.22.4 to 1.23.0.

---
updated-dependencies:
- dependency-name: golang
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

ci/images/backup-and-restore-minimal/Dockerfile

@@ -1,4 +1,4 @@
-FROM golang:1.22.4 as go-binary
+FROM golang:1.23.0 as go-binary
 
 FROM ubuntu:jammy