Change to picollo theme for sphinx #2823

	name: linkcheck
	on:
	pull_request:
	paths:
	- docs/conf.py
	- .github/workflows/linkcheck.yml
	schedule:
	# Run once a week on Fridays
	- cron: "0 0 * * FRI"

	permissions:
	contents: read

	env:
	CARGO_INCREMENTAL: 0

	jobs:
	docs-linkcheck:
	runs-on: ubuntu-latest
	name: "linkcheck"
	timeout-minutes: 10
	steps:
	- uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
	with:
	persist-credentials: false
	- name: Setup python
	id: setup-python
	uses: actions/setup-python@f677139bbe7f9c59b41e40162b753c062f5d49a3 # v5.2.0
	with:
	python-version: 3.11
	- name: Cache rust and pip
	uses: ./.github/actions/cache
	timeout-minutes: 2
	with:
	# This creates the same key as the docs job (as long as they have the same
	# python version)
	key: 3.11-${{ steps.setup-python.outputs.python-version }}
	- run: python -m pip install -c ci-constraints-requirements.txt nox
	- name: Build nox environment
	run: \|
	nox -v --install-only -s docs-linkcheck
	env:
	CARGO_TARGET_DIR: ${{ format('{0}/src/rust/target/', github.workspace) }}
	- name: linkcheck
	run: nox --no-install -s docs-linkcheck -- --color=yes

Provide feedback