add native histogram exemplar support #441

	---
	name: Go
	on:
	pull_request:
	push:
	branches:
	- main
	- "release-*"

	# Minimal permissions to be inherited by any job that don't declare it's own permissions
	permissions:
	contents: read

	jobs:
	test:
	name: Tests
	runs-on: ubuntu-latest

	strategy:
	matrix:
	go_version: ["1.20", "1.21", "1.22"]

	steps:
	- name: Checkout code
	uses: actions/checkout@v4.1.1

	- name: Set up Go ${{ matrix.go_version }}
	uses: actions/setup-go@v5.0.0
	with:
	go-version: ${{ matrix.go_version }}

	- name: Cache Go modules
	id: cache
	uses: actions/cache@v4
	with:
	path: ~/go/pkg/mod
	key: v1-go${{ matrix.go_version }}

	- name: Run tests and check license
	run: make check_license test
	env:
	CI: true

	- name: Run style and unused
	if: ${{ matrix.go_version == '1.20' }}
	run: make style unused

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