Add comprehensive GitHub Copilot instructions for Retina development #4698

	name: goreleaser
	on:
	pull_request:
	branches: [main]
	push:
	tags: ["v*"]
	permissions:
	contents: write
	packages: write
	jobs:
	build:
	name: Build kubectl-retina
	if: github.ref_type == 'branch'
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
	with:
	fetch-depth: 0
	- name: Set up Go
	uses: actions/setup-go@44694675825211faa026b3c33043df3e48a5fa00 # v6.0.0
	with:
	go-version-file: go.mod
	- name: Run GoReleaser build
	uses: goreleaser/goreleaser-action@v6
	env:
	MCR_AGENT_IMAGE_NAME: mcr.microsoft.com/containernetworking/retina-agent
	with:
	distribution: goreleaser
	version: latest
	args: build --snapshot --clean
	release:
	name: Release kubectl-retina
	runs-on: ubuntu-latest
	if: github.ref_type == 'tag'
	steps:
	- name: Checkout
	uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
	with:
	fetch-depth: 0
	- name: Set up Go
	uses: actions/setup-go@44694675825211faa026b3c33043df3e48a5fa00 # v6.0.0
	with:
	go-version-file: go.mod
	- name: Run GoReleaser release
	uses: goreleaser/goreleaser-action@v6
	with:
	distribution: goreleaser
	version: latest
	args: release --clean
	env:
	GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
	MCR_AGENT_IMAGE_NAME: mcr.microsoft.com/containernetworking/retina-agent
	- name: Update new version in krew-index
	if: github.repository_owner == 'microsoft'
	uses: rajatjindal/[email protected]

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