Migrate app to using github.com/slack-go/slack #96

	---
	name: ci

	on:
	pull_request:
	push:
	branches:
	- main
	workflow_dispatch:

	concurrency:
	group: ${{ github.workflow }}-${{ github.ref }}
	cancel-in-progress: true

	jobs:
	yamllint:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout Code
	uses: actions/checkout@v4
	- name: Run YAML Lint
	uses: actionshub/yamllint@main

	markdownlint-cli:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout Code
	uses: actions/checkout@v4
	- name: Run markdownlint-cli
	uses: nosborn/github-action-markdown-cli@v3.4.0
	with:
	files: .
	config_file: '.markdownlint.yaml'

	golangci-lint:
	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v4
	with:
	fetch-depth: 0

	- uses: actions/setup-go@v5
	with:
	go-version-file: 'go.mod'
	cache: true

	- name: golangci-lint
	uses: golangci/golangci-lint-action@v6
	with:
	version: latest
	skip-pkg-cache: true
	skip-build-cache: true

	build:
	runs-on: ubuntu-latest
	needs:
	- golangci-lint
	- markdownlint-cli
	- yamllint
	steps:
	- uses: actions/checkout@v4
	with:
	fetch-depth: 0

	- uses: actions/setup-go@v5
	with:
	go-version-file: 'go.mod'
	cache: true

	- run: make build

	test:
	name: Test
	runs-on: ubuntu-latest
	needs:
	- build

	steps:
	- uses: actions/checkout@v4

	- uses: actions/setup-go@v5
	with:
	go-version-file: 'go.mod'
	cache: true

	- run: make test

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