automation: `data-api-differ` should run against PRs and not the target branch #4

	---
	name: Detect changes to the API Definitions
	on:
	pull_request:
	types: ['opened', 'synchronize']
	paths:
	- 'api-definitions/**' # to detect changes when the API Definitions are updated
	- 'scripts/automation-determine-changes-to-api-definitions.sh' # to handle changes to the script
	- 'tools/data-api/**' # to detect changes when the Data API is updated
	- 'tools/data-api-differ/**' # to detect changes when the Data API Differ is updated
	- 'tools/importer-rest-api-specs/**' # to detect changes when the Importer is updated

	jobs:
	detect-changes-to-the-api-definitions:
	runs-on: ubuntu-latest
	permissions:
	contents: read
	pull-requests: write
	steps:
	- uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
	with:
	fetch-depth: 0

	- uses: actions/setup-go@93397bea11091df50f3d7e59dc26a7711a8bcfbe # v4.1.0
	with:
	go-version: '1.21.3'

	- name: Detect Changes
	run: \|
	./scripts/automation-determine-changes-to-api-definitions.sh outputs/

	- name: Post Comment containing Breaking Changes
	uses: thollander/actions-comment-pull-request@1d3973dc4b8e1399c0620d3f2b1aa5e795465308
	with:
	filePath: outputs/breaking-changes.md

	- name: Post Comment containing Changes
	uses: thollander/actions-comment-pull-request@1d3973dc4b8e1399c0620d3f2b1aa5e795465308
	with:
	filePath: outputs/changes.md

	- name: Post Comment with New Static Identifiers
	uses: thollander/actions-comment-pull-request@1d3973dc4b8e1399c0620d3f2b1aa5e795465308
	with:
	filePath: outputs/static-identifiers.md

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