feat: implement remote feature flag controller #15642

	name: Fitness Functions CI

	on:
	pull_request:
	types: [assigned, opened, synchronize, reopened]

	jobs:
	build:
	runs-on: ubuntu-latest

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

	- name: Use Node.js
	uses: actions/setup-node@v4
	with:
	node-version-file: '.nvmrc'

	- name: Install dependencies
	run: yarn --immutable
	working-directory: '.github/scripts'

	- name: Run fitness functions
	env:
	BASE_REF: ${{ github.event.pull_request.base.ref }}
	run: \|
	# The following command generates a diff of changes between the common
	# ancestor of $BASE_REF and HEAD, and the current commit (HEAD), for
	# files in the current directory and its subdirectories. The output is
	# then saved to a file called "diff".
	git diff "$(git merge-base "origin/$BASE_REF" HEAD)" HEAD -- . > ./diff
	yarn run fitness-functions -- "ci" "./diff"
	working-directory: '.github/scripts'

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