add self-validate workflow #4

	# This is _NOT_ a reusable workflow, but rather the renovate run for this repo itself.
	name: Self-hosted Renovate

	on:
	schedule:
	- cron: "22 /4 * *"
	# Run this job on PRs to, in dry run mode, as a sort of self-check.
	pull_request:

	jobs:
	renovate:
	permissions:
	# Needed for logging into vault.
	contents: read
	id-token: write
	runs-on: ubuntu-latest
	timeout-minutes: 5
	steps:
	- name: Checkout Code
	uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
	- name: Self-hosted renovate
	uses: ./actions/renovate-validate
	with:
	dry-run: "${{ github.event_name == 'pull_request' }}"

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