Move package `celext` out of internal (#56) #276

	name: CI
	on:
	push:
	branches: [ main ]
	tags: [ 'v*' ]
	pull_request:
	branches: [ main ]
	schedule:
	- cron: '15 22 * * *'
	workflow_dispatch: { } # support manual runs

	permissions:
	contents: read

	jobs:
	go:
	name: Go
	runs-on: ubuntu-latest
	strategy:
	matrix:
	go-version: [ oldstable, stable ]
	steps:
	- name: Checkout code
	uses: actions/checkout@v4
	with:
	fetch-depth: 1
	- name: Install go
	uses: actions/setup-go@v4
	with:
	go-version: ${{ matrix.go-version }}
	- name: Test
	run: make test
	- name: Lint
	# Often, lint guidelines depend on the Go version. To prevent
	# conflicting guidance, run only on the most recent supported version.
	if: matrix.go-version == 'stable'
	uses: golangci/golangci-lint-action@v3
	with:
	skip-pkg-cache: true
	only-new-issues: true
	args: >
	--modules-download-mode=readonly
	--timeout=3m0s
	./...

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