Update spark version to 3.4.1 #75

	name: tests
	on:
	workflow_dispatch:
	pull_request:
	jobs:
	run_tests:
	runs-on: ubuntu-latest
	steps:
	- name: Set Environment variables
	run: echo "SPARK_LOCAL_IP=localhost" >> $GITHUB_ENV
	- uses: actions/checkout@v2
	- name: Set up JDK 8
	uses: actions/setup-java@v2
	with:
	distribution: 'adopt'
	java-version: '8'
	- name: Run maven tests
	run: mvn -B test --file pom.xml
	- name: Setup Python
	uses: actions/setup-python@v2
	with:
	python-version: '3.7'
	- name: Install Poetry
	run: pip install --upgrade MarkupSafe==2.0.1 poetry-core==1.0.4 poetry==1.1.8 poetry-dynamic-versioning==0.12.7 urllib3==1.26.15
	- name: Update apt-get
	run: sudo apt-get update
	- name: Install libkrb5-dev
	run: sudo apt-get install libkrb5-dev # This is needed for installing pykerberos
	- name: Install python dependencies
	run: poetry install
	working-directory: ./python
	- name: Run python tests
	run: poetry run pytest
	working-directory: ./python

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