Added pcl and eigen3 to the alvar build dependencies. #2657

	# Check for lint error and auto correct them

	name: Check for lint errors

	on: ['push', 'pull_request', 'workflow_dispatch']

	jobs:
	lint_check_cpp:
	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v3
	- name: Check repo for lint errors
	run: ./scripts/git/cpplint_repo.py .

	lint_check_python:
	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v3
	- name: Install linters
	run: \|
	pip install click==8.0.1 black==22.1.0 isort==5.10.1

	- name: Run black
	run: \|
	black . --diff --extend-exclude cmake --check
	- name: Run isort
	run: \|
	isort . --diff --extend-skip cmake --profile black --check-only

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