Initial version of semgrep diff #1

	---
	name: Semgrep Differential Scan
	on:
	pull_request

	jobs:

	semgrep-diff:
	runs-on: ubuntu-latest
	container:
	image: returntocorp/semgrep

	steps:

	# step 1
	- name: clone application source code
	- uses: actions/checkout@93ea575cb5d8a053eaa0ac8fa3b40d7e05a33cc8 # v3.1.0

	with:
	fetch-depth: 0

	# step 2
	- name: differential scan
	run: \|
	semgrep scan \
	--error \
	--metrics=off \
	--baseline-commit $ \
	--config="p/trailofbits"

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