[release-11.3.6] Go: Bump to 1.24.2 (#103528)

* Go: Bump to 1.24.2

It is not likely we are actually affected by the CVEs, but updating proactively is not a bad idea nonetheless.

Fixes: CVE-2025-22871
Fixes: https://github.com/grafana/grafana-operator-experience-squad/issues/1311

* CI: Update golangci-lint

(cherry picked from commit 1c4284a8b4)

.github/workflows/go-lint.yml

@@ -24,7 +24,7 @@ jobs:
       - name: golangci-lint
         uses: golangci/golangci-lint-action@v6
         with:
-          version: v1.62.0
+          version: v1.64.2
           args: |
             --verbose $(go list -m -f '{{.Dir}}' | xargs -I{} sh -c 'test ! -f {}/.nolint && echo {}/...')
           install-mode: binary