Add: GMP doc: hiding of second level sections #437

	name: 'Build Documentation'

	on:
	push:
	branches: [ main, stable, oldstable ]

	jobs:
	generate-doc-and-upload-coverage:
	name: Build XML documentation and upload coverage
	runs-on: ubuntu-latest
	container: greenbone/doxygen
	steps:
	- name: Run the c lang coverage action
	uses: greenbone/actions/doc-coverage-clang@v3

	build-gmp-doc:
	name: Build GMP documentation
	runs-on: ubuntu-latest
	container: ${{ vars.IMAGE_REGISTRY }}/greenbone/gvmd-build:stable
	steps:
	- name: Check out gvmd
	uses: actions/checkout@v4
	- name: Generate GMP documentation (HTML)
	run: \|
	mkdir build
	cd build
	cmake -DSKIP_SRC=1 ..
	make doc-gmp
	- name: Upload GMP documentation artifact
	uses: actions/upload-artifact@v4
	with:
	name: gmp.html
	path: build/doc/gmp.html
	retention-days: 14

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