Bump golang.org/x/arch from 0.11.0 to 0.12.0

Bumps [golang.org/x/arch](https://github.com/golang/arch) from 0.11.0 to 0.12.0.
- [Commits](golang/arch@v0.11.0...v0.12.0)

---
updated-dependencies:
- dependency-name: golang.org/x/arch
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

go.mod

@@ -305,7 +305,7 @@ require (
 	go.uber.org/multierr v1.11.0
 	go.uber.org/zap v1.27.0
 	go4.org/netipx v0.0.0-20220812043211-3cc044ffd68d
-	golang.org/x/arch v0.11.0
+	golang.org/x/arch v0.12.0
 	golang.org/x/exp v0.0.0-20241004190924-225e2abe05e6
 	golang.org/x/net v0.30.0
 	golang.org/x/sync v0.9.0