Update epubcheck-ruby requirement from 5.0.0.0 to 5.1.0.0 (#351) #90

	name: Release on push to main

	on:
	push:
	branches: [ main ]

	jobs:
	release:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3
	with:
	fetch-depth: 0

	- name: Set up Ruby
	uses: ruby/setup-ruby@v1
	with:
	ruby-version: 3.1
	bundler-cache: true # runs 'bundle install' and caches installed gems automatically

	- name: Build release assets
	run: bundle exec rake book:build

	- name: Compute tag name
	id: compute-tag
	run: \|
	echo Computing next tag number
	LASTPATCH=$(git describe --tags \| cut -d- -f1 \| cut -d. -f3)
	PATCH=$(($LASTPATCH+1))
	echo "tagname=2.1.${PATCH}" >> $GITHUB_OUTPUT

	- name: Create release
	uses: ncipollo/release-action@v1
	with:
	token: ${{ secrets.GITHUB_TOKEN }}
	tag: ${{ steps.compute-tag.outputs.tagname }}
	commit: main
	artifacts: './progit.epub,./progit.fb2.zip,./progit.mobi,./progit.pdf,./progit.html'

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