Prepare release 0.21.1 (#1482) #48

	# This code is part of Qiskit.
	#
	# (C) Copyright IBM 2021.
	#
	# This code is licensed under the Apache License, Version 2.0. You may
	# obtain a copy of this license in the LICENSE.txt file in the root directory
	# of this source tree or at http://www.apache.org/licenses/LICENSE-2.0.
	#
	# Any modifications or derivative works of this code must retain this
	# copyright notice, and modified files need to carry a notice indicating
	# that they have been altered from the originals.

	name: Deployment

	on:
	push:
	tags:
	- '*'

	jobs:
	Deploy:
	runs-on: ubuntu-latest
	environment: release
	permissions:
	id-token: write
	strategy:
	matrix:
	python-version: [3.9]
	steps:
	- uses: actions/checkout@v4
	- uses: actions/setup-python@v5
	with:
	python-version: ${{ matrix.python-version }}
	- name: Install deps
	run: pip install -U pip setuptools build
	- name: Build sdist
	run: python3 -m build
	- uses: actions/upload-artifact@v4
	with:
	path: ./dist/*
	- name: Deploy to Pypi
	uses: pypa/gh-action-pypi-publish@release/v1

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