collectors: add startup time metrics #90

	name: CI

	on:
	push:
	branches:
	- "master"
	pull_request:
	branches:
	- "*"

	defaults:
	run:
	shell: bash

	env:
	# go needs absolute directories, using the $HOME variable doesn't work here.
	GOCACHE: /home/runner/work/go/pkg/build
	GOPATH: /home/runner/work/go
	GO_VERSION: 1.21.6

	jobs:
	########################
	# lint and build code
	########################
	lint:
	name: lint and build code
	runs-on: ubuntu-latest
	steps:
	- name: git checkout
	uses: actions/checkout@v2

	- name: go cache
	uses: actions/cache@v1
	with:
	path: /home/runner/work/go
	key: lndmon-${{ runner.os }}-go-${{ env.GO_VERSION }}-${{ github.job }}-${{ hashFiles('**/go.sum') }}
	restore-keys: \|
	lndmon-${{ runner.os }}-go-${{ env.GO_VERSION }}-${{ github.job }}-${{ hashFiles('**/go.sum') }}
	lndmon-${{ runner.os }}-go-${{ env.GO_VERSION }}-${{ github.job }}-
	lndmon-${{ runner.os }}-go-${{ env.GO_VERSION }}-
	lndmon-${{ runner.os }}-go-

	- name: setup go ${{ env.GO_VERSION }}
	uses: actions/setup-go@v2
	with:
	go-version: '${{ env.GO_VERSION }}'

	- name: lint
	run: make lint

	- name: build
	run: make build

Provide feedback