feat: add helm-docs target; fix: invalid --set param in functional tests #2

	name: Helm Docs
	on:
	pull_request:
	paths:
	- 'charts/**'

	jobs:
	helm-docs:
	name: helm docs
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	- name: helm docs
	working-directory: ./opensearch-operator
	run: \|
	make helm-docs
	if ! git diff --exit-code --quiet; then
	echo "Helm docs are out of date. Please run 'make helm-docs' and commit the changes."
	exit 1
	fi

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