ci: add testing-docs nightly workflow #3

	name: Check testing docs nightly
	on:
	workflow_call:
	pull_request:
	merge_group:
	push:
	branches:
	- main
	- release/v*
	- feat/*

	jobs:
	check-testing-docs:
	runs-on: ubuntu-latest
	permissions:
	contents: write
	pull-requests: write

	steps:
	- name: Checkout repository
	uses: actions/checkout@v4
	with:
	ref: tk/check-testing-docs-nightly

	- name: Setup Go
	uses: actions/setup-go@v5
	with:
	go-version: "1.22"
	check-latest: true
	cache: true
	cache-dependency-path: go.sum

	- name: Generate testing docs for PR
	run: make build-testing-docs

	- name: Check for changes in integration tests documentation
	id: check_changes_pr
	run: \|
	git show HEAD:scripts/test_doc/test_documentation.md > committed_file.md
	cp scripts/test_doc/test_documentation.md generated_file.md
	if ! diff -q generated_file.md committed_file.md; then
	echo "changes_detected=true" >> $GITHUB_OUTPUT
	else
	echo "changes_detected=false" >> $GITHUB_OUTPUT
	fi

	- name: Create Pull Request
	if: steps.check_changes.outputs.changes_detected == 'true'
	run: \|
	echo "Changes detected in testing documentation."
	echo "A pull request should be created to update the documentation."

Provide feedback