chore: add coverage figures collector #10

	# Go Linters - GitHub Actions
	name: linters
	on: [push, pull_request]
	jobs:

	# Check linters on latest-ubuntu with default version of Go.
	lint:
	name: Lint
	runs-on: ubuntu-latest
	steps:
	- uses: actions/setup-go@v2
	with:
	go-version: "1.22"
	- name: Checkout code
	uses: actions/checkout@v2
	- name: Install golangci-lint
	run: \|
	go version
	curl -sSfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh \| sh -s -- -b $(go env GOPATH)/bin v1.54.2
	- name: Install mockgen
	run: \|
	go install github.com/golang/mock/mockgen@v1.5.0
	- name: Run required linters in .golangci.yml plus hard-coded ones here
	run: make lint
	- name: Run optional linters (not required to pass)
	run: make lint-extra

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