Add PR benchmarking #2

	---
	name: Benchmarks on AMD64
	permissions: read-all
	on: [pull_request]
	jobs:
	benchmark-pull-request:
	runs-on: ubuntu-latest-8-cores
	steps:
	- uses: actions/checkout@0ad4b8fadaa221de15dcec353f45205ec38ea70b # v4.1.4
	with:
	fetch-depth: 0
	- id: goversion
	run: echo "goversion=$(cat .go-version)" >> "$GITHUB_OUTPUT"
	- uses: actions/setup-go@0c52d547c9bc32b1aa3301fd7a9cb496313a4491 # v5.0.0
	with:
	go-version: ${{ steps.goversion.outputs.goversion }}
	- name: Install Benchstat
	run: make install-benchstat
	- name: Run Benchmarks
	run: \|
	BENCHSTAT_FORMAT=csv BENCHSTAT_OUTPUT_FILE=result.csv make test-benchmark-compare REF=${{ github.event.pull_request.head.sha }}
	echo "$(head -n1 result.csv),,," > output.csv # Add three missing cols from header
	tail -n+2 result.csv >> output.csv
	- name: Read CSV
	id: read-csv
	uses: juliangruber/read-file-action@b549046febe0fe86f8cb4f93c24e284433f9ab58 # v1.1.7
	with:
	path: ./output.csv
	- name: Create Markdown Table
	uses: petems/csv-to-md-table-action@401501a2cdf2512164c1be3b70411976a2b838b9 # v4.0.0
	id: csv-table-output
	with:
	csvinput: ${{ steps.read-csv.outputs.content }}
	- run: \|
	echo "${{ steps.csv-table-output.outputs.markdown-table }}" >> "$GITHUB_STEP_SUMMARY"

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