Bump to golang 1.24.6 as base compiler

Author: dims

golang/Makefile

@@ -15,7 +15,7 @@
 .PHONY: build-go build push
 
 export GCS_BUCKET?=k8s-infra-scale-golang-builds
-export GO_COMPILER_PKG?=go1.24.2.linux-amd64.tar.gz
+export GO_COMPILER_PKG?=go1.24.6.linux-amd64.tar.gz
 export GO_COMPILER_URL?=https://dl.google.com/go/$(GO_COMPILER_PKG)
 export ROOT_DIR?=/home/prow/go/src