Add `collapse_levels()`, `as_matrix()`, `prop` arguments to applicable `as_*()` functions, and the `a1a-collapse-convert` vignette #101

	# Workflow derived from https://github.com/r-lib/actions/tree/v2/examples
	# Build pkgdown site and commit to docs/ folder
	on:
	push:
	branches: [master, main]
	pull_request:
	branches: [master, main]
	release:
	types: [published]
	workflow_dispatch:

	name: pkgdown

	jobs:
	pkgdown:
	runs-on: ubuntu-latest
	# Only restrict concurrency for non-PR jobs
	concurrency:
	group: pkgdown-${{ github.event_name != 'pull_request' \|\| github.run_id }}
	env:
	GITHUB_PAT: ${{ secrets.GITHUB_TOKEN }}
	permissions:
	contents: write
	steps:
	- uses: actions/checkout@v4

	- uses: r-lib/actions/setup-pandoc@v2

	- uses: r-lib/actions/setup-r@v2
	with:
	use-public-rspm: true

	- uses: r-lib/actions/setup-r-dependencies@v2
	with:
	extra-packages: any::pkgdown, local::.
	needs: website

	- name: Build site
	run: pkgdown::build_site_github_pages(new_process = FALSE, install = FALSE)
	shell: Rscript {0}

	- name: Commit and push changes
	if: github.event_name != 'pull_request'
	run: \|
	git config --local user.name "$GITHUB_ACTOR"
	git config --local user.email "$GITHUB_ACTOR@users.noreply.github.com"
	git checkout ${{ github.ref_name }}
	git add docs/\*
	git diff-index --quiet HEAD \|\| git commit -m "Update pkgdown site (GHA)"
	git pull --rebase origin ${{ github.ref_name }} \|\| true
	git push origin ${{ github.ref_name }}

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