Update ergo-lib dep #55

	name: Documentation

	on:
	push:
	branches:
	- master
	- develop
	pull_request:
	types:
	- opened
	- synchronize

	jobs:
	doc-links:
	name: Check intra-documentation links
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	- uses: actions-rs/toolchain@v1
	with:
	toolchain: stable
	override: true
	- name: cargo fetch
	uses: actions-rs/cargo@v1
	with:
	command: fetch
	# Ensure intra-documentation links all resolve correctly
	# Requires #![deny(broken_intra_doc_links)] in crate.
	- name: Check intra-doc links
	uses: actions-rs/cargo@v1
	with:
	command: doc
	args: --document-private-items

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