Bumped Go to 1.25.8 and azlinux to 3.0.20260401 (#1790)

Author: sean-jeffrey

Makefile

@@ -15,8 +15,8 @@ GO_BINARY_NAME ?= appgw-ingress
 GOOS ?= linux
 GARCH ?= arm64
 
-BUILD_BASE_IMAGE ?= golang:1.25.8-bookworm
-BINARY_BASE_IMAGE ?= mcr.microsoft.com/azurelinux/distroless/base:3.0.20260204
+BUILD_BASE_IMAGE ?= golang:1.25.9-bookworm
+BINARY_BASE_IMAGE ?= mcr.microsoft.com/azurelinux/distroless/base:3.0.20260401
 
 REPO ?= appgwreg.azurecr.io
 IMAGE_NAME = public/azure-application-gateway/kubernetes-ingress-staging