Add the Pattern class for specifying bit and hachure patterns to fill symbols and polygons #5337

	# Static type checks
	#
	# This workflow runs static type checks using mypy.
	#
	# It is run on every commit to the main and pull request branches. It is also
	# scheduled to run daily on the main branch.
	#
	name: Static Type Checks

	on:
	push:
	branches: [ main ]
	paths:
	- 'pygmt/*/.py'
	- '.github/workflows/type_checks.yml'
	pull_request:
	paths:
	- 'pygmt/*/.py'
	- '.github/workflows/type_checks.yml'
	# Schedule daily tests
	schedule:
	- cron: '0 0 * * *'

	concurrency:
	group: ${{ github.workflow }}-${{ github.ref }}
	cancel-in-progress: ${{ github.ref != 'refs/heads/main' }}

	permissions: {}

	jobs:
	static_check:
	name: Static Type Check
	runs-on: ubuntu-latest

	steps:
	# Checkout current git repository
	- name: Checkout
	uses: actions/checkout@v5.0.0
	with:
	persist-credentials: false

	# Setup Python
	- name: Set up Python
	uses: actions/setup-python@v5.6.0
	with:
	python-version: '3.13'

	- name: Install packages
	run: \|
	# Need to install four groups of packages:
	# 1. required packages
	# 2. optional packages
	# 3. type checker and stub packages
	# 4. other packages that are used somewhere in PyGMT
	python -m pip install \
	numpy pandas xarray packaging \
	contextily geopandas ipython pyarrow rioxarray \
	mypy pandas-stubs pyarrow-stubs \
	matplotlib pytest
	python -m pip list

	- name: Static type check
	run: make typecheck

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