Upgrade golangci-lint to version v2.12.2

Updated golangci-lint version to v2.12.2 for compatibility.

Author: jkyberneees

.github/workflows/test.yml

@@ -40,9 +40,5 @@ jobs:
       - name: golangci-lint
         uses: golangci/golangci-lint-action@v6
         with:
-          version: v1.64
-          # Compile golangci-lint with the toolchain set up above (Go 1.25) so
-          # its typechecker can read the `go 1.25` module. The official
-          # prebuilt v1.64 binary is built with Go 1.24 and rejects it.
-          install-mode: goinstall
+          version: v2.12.2
           args: --timeout=10m