chore(deps): bump ubuntu from `278628f` to `80dd3c3` in amp-devcontainer-cpp #315

	---
	name: Cleanup Pull Request Images

	on:
	pull_request:
	types: [closed]

	permissions:
	contents: read

	env:
	REGISTRY: ghcr.io

	jobs:
	delete-images:
	runs-on: ubuntu-latest
	strategy:
	matrix:
	flavor: ["cpp", "rust"]
	permissions:
	packages: write
	steps:
	- uses: sigstore/cosign-installer@dc72c7d5c4d10cd6bcb8cf6e3fd625a9e5e537da # v3.7.0
	- uses: docker/login-action@9780b0c442fbb1117ed29e0efdff1e18412f7567 # v3.3.0
	with:
	registry: ${{ env.REGISTRY }}
	username: ${{ github.actor }}
	password: ${{ secrets.GITHUB_TOKEN }}
	- run: cosign clean -f --type=signature "${{ env.REGISTRY }}/${{ github.repository }}-${{ matrix.flavor }}:pr-${{ github.event.pull_request.number }}"
	- uses: bots-house/ghcr-delete-image-action@3827559c68cb4dcdf54d813ea9853be6d468d3a4 # v1.1.0
	with:
	owner: ${{ github.repository_owner }}
	name: ${{ github.event.repository.name }}-${{ matrix.flavor }}
	token: ${{ secrets.GITHUB_TOKEN }}
	tag: pr-${{ github.event.pull_request.number }}
	cleanup-cache:
	runs-on: ubuntu-latest
	permissions:
	# actions: write permission is required to delete the cache
	actions: write
	steps:
	- run: \|
	gh extension install actions/gh-actions-cache

	REPO=${{ github.repository }}
	BRANCH=refs/pull/${{ github.event.pull_request.number }}/merge

	## Setting this to not fail the workflow while deleting cache keys.
	set +e
	for cacheKey in $(gh actions-cache list -R $REPO -B $BRANCH \| cut -f 1)
	do
	gh actions-cache delete "$cacheKey" -R $REPO -B $BRANCH --confirm
	done
	env:
	GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}

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