General Build Image: Bump amd64/golang

Bumps amd64/golang from 1.24rc1-bullseye to 1.24rc2-bullseye.

---
updated-dependencies:
- dependency-name: amd64/golang
  dependency-type: direct:production
...

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

Author: dependabot[bot]

Diff for: unstable/build/cgo-mingw-w64-x64/Dockerfile

@@ -7,7 +7,7 @@
 
 # https://hub.docker.com/_/golang
 
-FROM amd64/golang:1.24rc1-bullseye
+FROM amd64/golang:1.24rc2-bullseye
 
 # https://docs.github.com/en/packages/learn-github-packages/connecting-a-repository-to-a-package
 LABEL org.opencontainers.image.source="https://github.com/atc0005/go-ci"