Use sccache to cache Windows release builds #1

	# Modified from https://github.com/actions/cache/blob/main/tips-and-workarounds.md#force-deletion-of-caches-overriding-default-cache-eviction-policy
	name: Clean up PR caches
	on:
	pull_request_target:
	types:
	- closed

	jobs:
	cleanup:
	runs-on: ubuntu-latest
	permissions:
	# `actions:write` permission is required to delete caches
	# See also: https://docs.github.com/en/rest/actions/cache?apiVersion=2022-11-28#delete-a-github-actions-cache-for-a-repository-using-a-cache-id
	actions: write
	contents: read
	steps:
	- name: Clean up caches
	run: \|
	## Setting this to not fail the workflow while deleting cache keys.
	set +e
	for i in {1..10}
	do
	cacheIdsForPR=$(gh cache list -R $REPO -r $BRANCH -L 500 --sort size_in_bytes \| cut -f 1 )
	for cacheId in $cacheIdsForPR
	do
	gh cache delete $cacheId -R $REPO
	sleep 0.1
	done
	done
	env:
	GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
	REPO: ${{ github.repository }}
	BRANCH: refs/pull/${{ github.event.pull_request.number }}/merge

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