chore: update sbt-wartremover, wartremover from 3.1.6 to 3.1.7 #621

	name: Scala Build and Test CI
	on: push

	jobs:
	build:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	- name: run compile
	run: sbt compile
	test:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	- name: run tests
	run: sbt test
	lint:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	- name: Formatting
	run: sbt scalafmtSbtCheck scalafmtCheck

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