Simplify the type of `MockActivityEnvironment.run` #72

	name: Check for CODEOWNERS

	on:
	# Runs on a pull request for the main branch (we use
	# 'pull_request_target' instead of 'pull_request' so
	# it also works for forks, since the secrets would
	# otherwise not be available for forks).
	pull_request_target:
	types:
	# Default events
	- opened
	- synchronize
	- reopened
	# But we also want to make sure a potential
	# exception request pull request is getting
	# closed if any was open
	- closed
	branches:
	- main
	- master
	# Runs on a merge group build
	merge_group:

	permissions:
	contents: read

	concurrency:
	group: ${{ github.workflow }}-${{ github.head_ref \|\| github.run_id }}
	cancel-in-progress: false

	jobs:
	check:
	name: Check for CODEOWNERS

	runs-on: ubuntu-latest

	steps:
	- name: Checkout branch
	uses: actions/checkout@v4
	with:
	ref: ${{ github.event.pull_request.head.sha }}

	# Find doesn't return non-0 for no results, but grep does.
	- name: Check for CODEOWNERS
	run: \|
	find . -iname "CODEOWNERS" \| grep .

Provide feedback