[RetinaNet] Add FPN, RetinaNet label encoder as part of phase 1 (#1885) #1305

	name: Publish to PyPI

	on: push

	permissions:
	contents: read

	jobs:
	build-and-publish:
	name: Build and publish to PyPI
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	- name: Set up Python
	uses: actions/setup-python@v5
	with:
	python-version: 3.9
	- name: Get pip cache dir
	id: pip-cache
	run: \|
	python -m pip install --upgrade pip setuptools
	echo "::set-output name=dir::$(pip cache dir)"
	- name: pip cache
	uses: actions/cache@v4
	with:
	path: ${{ steps.pip-cache.outputs.dir }}
	key: ${{ runner.os }}-pip-${{ hashFiles('setup.py') }}
	restore-keys: \|
	${{ runner.os }}-pip-
	- name: Install dependencies
	run: \|
	pip install -r requirements.txt --progress-bar off
	- name: Build a binary wheel and a source tarball
	run: >-
	python pip_build.py
	- name: Publish KerasHub to PyPI
	if: startsWith(github.ref, 'refs/tags')
	uses: pypa/gh-action-pypi-publish@release/v1
	with:
	password: ${{ secrets.PYPI_API_TOKEN_HUB }}
	verbose: true
	- name: Publish KerasNLP to PyPI
	if: startsWith(github.ref, 'refs/tags')
	uses: pypa/gh-action-pypi-publish@release/v1
	with:
	packages-dir: keras_nlp/dist/
	password: ${{ secrets.PYPI_API_TOKEN }}
	verbose: true

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