Add type annotations #9

	name: mypy
	on:
	pull_request:
	paths:
	- 'src/rez/**.py'
	- 'src/rezplugins/**.py'
	- 'pyproject.toml'
	- '!src/rez/utils/_version.py'
	- '!src/rez/data/**'
	- '!src/rez/vendor/**'
	- '!src/rez/backport/**'
	push:
	paths:
	- 'src/rez/**.py'
	- 'src/rezplugins/**.py'
	- 'pyproject.toml'
	- '!src/rez/utils/_version.py'
	- '!src/rez/data/**'
	- '!src/rez/vendor/**'
	- '!src/rez/backport/**'

	permissions:
	contents: read

	jobs:
	mypy:
	name: Run mypy static type analysis
	runs-on: ubuntu-latest

	steps:
	- name: Checkout
	uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7

	- name: Set up Python
	uses: actions/setup-python@82c7e631bb3cdc910f68e0081d67478d79c6982d # v5.1.0
	with:
	python-version: "3.10"

	- name: Install Dependencies
	run: \|
	pip install mypy==1.11.1 mypy_baseline==0.7.1 types-setuptools

	- name: Run mypy
	# To update the baseline run:
	# mypy \| mypy-baseline sync --ignore-categories=note
	# then commit mypy-baseline.txt
	run: >-
	mypy \| mypy-baseline filter --ignore-categories=note --allow-unsynced

Provide feedback