Handle differences in sig_class for OCaml 5.1. (to master branch) #31

	name: Check Changelog
	on:
	pull_request:
	types: [assigned, opened, synchronize, reopened, labeled, unlabeled]
	branches:
	- master
	jobs:
	Check-Changelog:
	name: Check Changelog Action
	runs-on: ubuntu-20.04
	steps:
	- uses: tarides/changelog-check-action@v2
	with:
	changelog: CHANGES.md

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