Add tree-string color diff #225

	name: CI
	on:
	pull_request:

	jobs:
	build:
	strategy:
	fail-fast: false
	matrix:
	spark: ["3.1.3","3.2.4", "3.3.4", "3.4.3", "3.5.3"]
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	- uses: coursier/cache-action@v6
	with:
	extraKey: ${{ matrix.spark }}
	- uses: coursier/setup-action@v1
	with:
	jvm: zulu:8
	- name: Test
	run: sbt -Dspark.version=${{ matrix.spark }} +test
	- name: Benchmark
	run: sbt -Dspark.version=${{ matrix.spark }} +benchmarks/Jmh/run

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