publish-to-pypi: Allow installation of prerelease packages in the che…

…ck-pypi-package job.

PiperOrigin-RevId: 658832245

.github/workflows/publish-to-pypi.yml

@@ -95,5 +95,5 @@ jobs:
         run: |
           sleep 3  # To account for PyPi publish delay.
           python -m pip install --upgrade pip
-          python -m pip install --upgrade earthengine-api
+          python -m pip install --upgrade --pre earthengine-api
           python -c "import ee; print(ee.__version__)"