[release-1.32] chore: add a github action to guard go module drifts #11

	name: Go Module Consistency

	on:
	push:
	branches: [ master, 'release-**' ]
	pull_request:
	branches: [ master, 'release-**' ]

	permissions:
	contents: read

	jobs:
	go-mod-consistency:
	runs-on: ubuntu-latest
	steps:
	- name: Harden Runner
	uses: step-security/harden-runner@95d9a5deda9de15063e7595e9719c11c38c90ae2 # v2.13.2
	with:
	egress-policy: audit

	- name: Checkout
	uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v4.2.2

	- name: Setup Go
	uses: actions/setup-go@4dc6199c7b1a012772edbd06daecab0f50c9053c # v6.1.0
	with:
	go-version-file: go.mod
	check-latest: true
	cache-dependency-path: \|
	go.sum
	tests/go.sum
	pkg/azclient/go.sum
	pkg/azclient/cache/go.sum
	pkg/azclient/configloader/go.sum
	pkg/azclient/trace/go.sum
	pkg/azclient/client-gen/go.sum
	health-probe-proxy/go.sum

	- name: Run go mod tidy and verify
	run: \|
	set -euo pipefail
	modules=(
	.
	tests
	pkg/azclient
	pkg/azclient/cache
	pkg/azclient/configloader
	pkg/azclient/trace
	pkg/azclient/client-gen
	health-probe-proxy
	)
	for m in "${modules[@]}"; do
	echo ">> go mod tidy (${m})"
	(cd "${m}" && go mod tidy)
	echo ">> go mod verify (${m})"
	(cd "${m}" && go mod verify)
	done

	- name: Fail on uncommitted changes
	run: \|
	git diff --stat
	git diff --quiet

Provide feedback