fix: Dates before 1000AD should use 4-digit years #3364

	on:
	push:
	branches:
	- main
	pull_request:
	name: Run Spanner integration tests against emulator
	jobs:
	system-tests:
	runs-on: ubuntu-latest

	services:
	emulator:
	image: gcr.io/cloud-spanner-emulator/emulator:latest
	ports:
	- 9010:9010
	- 9020:9020

	steps:
	- name: Checkout code
	uses: actions/checkout@v4
	- name: Setup Python
	uses: actions/setup-python@v5
	with:
	python-version: 3.8
	- name: Install nox
	run: python -m pip install nox
	- name: Run system tests
	run: nox -s system
	env:
	SPANNER_EMULATOR_HOST: localhost:9010
	GOOGLE_CLOUD_PROJECT: emulator-test-project
	GOOGLE_CLOUD_TESTS_CREATE_SPANNER_INSTANCE: true

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