Remove support for expvar-backed metrics (#5437) #4

	name: Protogen Validation

	on:
	push:
	branches: [main]

	pull_request:
	branches: [main]

	concurrency:
	group: ${{ github.workflow }}-${{ (github.event.pull_request && github.event.pull_request.number) \|\| github.ref \|\| github.run_id }}
	cancel-in-progress: true

	# See https://github.com/ossf/scorecard/blob/main/docs/checks.md#token-permissions
	permissions: # added using https://github.com/step-security/secure-workflows
	contents: read

	jobs:
	protogen:
	runs-on: ubuntu-latest
	steps:
	- name: Harden Runner
	uses: step-security/harden-runner@f086349bfa2bd1361f7909c78558e816508cdc10 # v2.8.0
	with:
	egress-policy: audit # TODO: change to 'egress-policy: block' after couple of runs

	- uses: actions/checkout@9bb56186c3b09b4f86b1c65136769dd318469633 # v4.1.2
	with:
	submodules: recursive

	- uses: actions/setup-go@0c52d547c9bc32b1aa3301fd7a9cb496313a4491 # v5.0.0
	with:
	go-version: 1.22.x

	- name: Verify Protobuf types are up to date
	run: make proto && git diff --name-status --exit-code

	- name: Verify Thrift types are up to date
	run: make thrift && git diff --name-status --exit-code

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