workflows/lint: update golangci-lint to 1.63.4

Author: wikkyk

.github/workflows/lint.yml

@@ -19,7 +19,7 @@ jobs:
       - name: golangci-lint
         uses: golangci/golangci-lint-action@v6
         with:
-          version: v1.57
+          version: v1.63.4
 
   yamllint:
     name: yamllint

go.mod

@@ -1,6 +1,6 @@
 module github.com/ionos-cloud/cluster-api-provider-proxmox
 
-go 1.22.0
+go 1.22.1
 
 replace sigs.k8s.io/cluster-api => sigs.k8s.io/cluster-api v1.8.5