chore(deps): update python docker tag to v3.13 #1574

	# Copyright 2021 Google LLC
	#
	# Licensed under the Apache License, Version 2.0 (the "License");
	# you may not use this file except in compliance with the License.
	# You may obtain a copy of the License at
	#
	# http://www.apache.org/licenses/LICENSE-2.0
	#
	# Unless required by applicable law or agreed to in writing, software
	# distributed under the License is distributed on an "AS IS" BASIS,
	# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	# See the License for the specific language governing permissions and
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	name: Docker CI

	on:
	push:
	branches: [ main ]
	pull_request:

	jobs:
	psf-black:
	name: Verify we can create Docker images
	runs-on: ubuntu-22.04
	steps:
	- uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4
	- uses: docker/build-push-action@v6
	with:
	context: .
	push: false
	tags: testbench:test-only

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