chore(deps): bump golang from 1.21 to 1.22 in /.github/go

Bumps golang from 1.21 to 1.22.

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

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

Author: dependabot[bot]

.github/go/Dockerfile

@@ -1 +1 @@
-FROM golang:1.21
+FROM golang:1.22