chore: Update dependency golangci/golangci-lint to v2

Author: renovate[bot]

Makefile

@@ -9,7 +9,7 @@ LDFLAGS += -s -w
 # renovate datasource=github-releases depName=securego/gosec
 GOSEC_VERSION := v2.22.10
 # renovate datasource=github-releases depName=golangci/golangci-lint
-GOLANGCI_LINT_VERSION := v1.64.8
+GOLANGCI_LINT_VERSION := v2.6.1
 # renovate datasource=go depName=golang.org/x/vuln/cmd/govulncheck
 GOVULNCHECK_VERSION := v1.1.4
 # renovate datasource=go depName=golang.org/x/tools/cmd/goimports