[core] Add cache for snapshots in CachingCatalog (#4565) #3973

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	name: docs-tests
	on:
	push:
	pull_request:
	paths:
	- 'docs/**'

	concurrency:
	group: ${{ github.workflow }}-${{ github.event_name }}-${{ github.event.number \|\| github.run_id }}
	cancel-in-progress: true

	jobs:
	build:
	runs-on: ubuntu-latest

	steps:
	- name: Checkout code
	uses: actions/checkout@v2

	- name: Setup Hugo
	uses: peaceiris/actions-hugo@v2
	with:
	hugo-version: '0.124.1'
	extended: true

	- name: Build
	run: \|
	cd docs
	# Fetch the theme submodule
	git submodule update --init --recursive
	hugo

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