Add `RetryInvoker` class #3395

	name: Framework

	on:
	push:
	branches:
	- main
	pull_request:
	branches:
	- main

	concurrency:
	group: ${{ github.workflow }}-${{ github.ref == 'refs/heads/main' && github.run_id \|\| github.event.pull_request.number \|\| github.ref }}
	cancel-in-progress: true

	env:
	FLWR_TELEMETRY_ENABLED: 0

	jobs:
	test_core:
	runs-on: ubuntu-22.04
	strategy:
	matrix:
	# Latest version which comes cached in the host image can be found here:
	# https://github.com/actions/runner-images/blob/main/images/linux/Ubuntu2204-Readme.md#python
	# In case of a mismatch, the job has to download Python to install it.
	# Note: Due to a bug in actions/setup-python we have to put 3.10 in
	# qoutes as it will otherwise will assume 3.1
	python: [3.8, 3.9, '3.10']

	name: Python ${{ matrix.python }}

	steps:
	- uses: actions/checkout@v4
	- name: Bootstrap
	uses: ./.github/actions/bootstrap
	with:
	python-version: ${{ matrix.python }}
	- name: Install dependencies (mandatory only)
	run: python -m poetry install --all-extras
	- name: Check if protos need recompilation
	run: ./dev/check-protos.sh
	- name: Lint + Test (isort/black/docformatter/mypy/pylint/flake8/pytest)
	run: ./dev/test.sh

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