Generate changelog / Add support for composite r2r runs (#2967) * Add support for composite r2r runs This is achieved by using already existing properties in the sdk: PublishReadyToRun and PublishReadyToRunComposite. The compositer2r toolchain adds these properties to a standar project template. In order to test with custom built runtime, the toolchain reuses the already existing `customruntimepack` and `aotcompilerpath` bdn args. Example command used locally from microbenchmarks project: dotnet run ... #399

	name: generate-changelog
	run-name: Generate changelog / ${{ github.event.head_commit.message }}

	on:
	push:
	branches:
	- master
	workflow_dispatch:

	permissions: write-all

	jobs:
	generate:
	runs-on: ubuntu-latest
	steps:

	- name: Checkout
	uses: actions/checkout@v6
	with:
	ref: master

	- name: Checkout changelog
	uses: actions/checkout@v6
	with:
	ref: docs-changelog
	path: docs/_changelog

	- name: Fetch changelog
	run: ./build.cmd docs-fetch --depth 1 --preview
	env:
	GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

	- name: Push changelog
	uses: JamesIves/github-pages-deploy-action@9d877eea73427180ae43cf98e8914934fe157a1a # v4.7.6
	with:
	branch: docs-changelog
	folder: docs/_changelog
	git-config-name: Andrey Akinshin
	git-config-email: [email protected]
	clean: true

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