chore: upgrade self to cdktf 0.20.0 #194

	name: "Add Copyright Headers"
	on:
	pull_request_target:
	types:
	- opened
	- reopened
	- synchronize
	- ready_for_review
	concurrency: ${{ github.workflow }}-${{ github.head_ref }}
	jobs:
	add-copyright-headers:
	runs-on: ubuntu-latest
	env:
	PULL_REQUEST_REF: ${{ github.event.pull_request.head.ref }}
	permissions:
	contents: write
	steps:
	- name: Checkout
	uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
	with:
	ref: ${{ github.event.pull_request.head.ref }}
	repository: ${{ github.event.pull_request.head.repo.full_name }}
	- name: Set git identity
	run: \|-
	git config user.name "team-tf-cdk"
	git config user.email "[email protected]"
	- name: Setup Copywrite tool
	uses: hashicorp/setup-copywrite@867a1a2a064a0626db322392806428f7dc59cb3e # v1.1.2
	- name: Add headers using Copywrite tool
	run: copywrite headers
	- name: Check if there are any changes
	id: get_changes
	run: echo "changed=$(git status --porcelain \| wc -l)" >> $GITHUB_OUTPUT
	- name: Push changes
	if: steps.get_changes.outputs.changed != 0
	run: \|-
	git add .
	git commit -s -m "chore: add required copyright headers"
	git push origin HEAD:$PULL_REQUEST_REF

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