feat(helm): add Helm OCI chart publishing #6042

	name: Build all images

	on:
	push:
	branches: [ master ]
	pull_request:
	branches: [ master ]

	permissions:
	contents: read # to fetch code (actions/checkout)

	jobs:

	build:
	permissions:
	contents: read # to fetch code (actions/checkout)

	name: Build
	runs-on: ubuntu-latest
	steps:

	- name: Check out code into the Go module directory
	uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2

	- name: Set up Go 1.x
	uses: actions/setup-go@4a3601121dd01d1626a1e23e37211e3254c1c06c # v6.4.0
	with:
	go-version-file: go.mod
	id: go

	- name: Install CI
	run: \|
	go get -v -t -d ./...

	- name: Test
	run: make build.image/multiarch

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