chore(deps): update dependency golangci-lint to v2.6.0

Author: renovate[bot]

.github/workflows/build-x86-image.yaml

@@ -24,7 +24,7 @@ env:
   # renovate: datasource=github-releases depName=kind packageName=kubernetes-sigs/kind
   KIND_VERSION: v0.30.0
   # renovate: datasource=github-releases depName=golangci-lint packageName=golangci/golangci-lint
-  GOLANGCI_LINT_VERSION: v2.5.0
+  GOLANGCI_LINT_VERSION: v2.6.0
   # renovate: datasource=github-releases depName=helm packageName=helm/helm
   HELM_VERSION: v3.19.0
   # renovate: datasource=github-releases depName=submariner packageName=submariner-io/submariner