Re-applies Proxy URL #9738

Job	Run time
Unit tests on 3.8 and ubuntu-20.04 (protobuf=latest)	14m 0s
Unit tests on 3.9 and ubuntu-20.04 (protobuf=latest)	13m 41s
Check minimal container dependencies for 3.8 / 2024.04	28s
Unit tests on 3.10 and ubuntu-20.04 (protobuf=latest)	13m 33s
Check minimal container dependencies for 3.13 / 2024.04	29s
Unit tests on 3.11 and ubuntu-20.04 (protobuf=latest)	11m 23s
Check minimal container dependencies for 3.8 / 2024.10	20s
Unit tests on 3.12 and ubuntu-20.04 (protobuf=latest)	13m 14s
Check minimal container dependencies for 3.13 / 2024.10	20s
Unit tests on 3.13 and ubuntu-20.04 (protobuf=latest)	10m 38s
Unit tests on 3.10 and macos-13 (protobuf=latest)	18m 11s
Unit tests on 3.10 and macos-14 (protobuf=latest)	9m 28s
Unit tests on 3.10 and windows-latest (protobuf=latest)	16m 2s
Unit tests on 3.8 and ubuntu-20.04 (protobuf=3.19)	13m 18s
Publish client package	0s
Publish base images for ${{ matrix.image-name }} ${{ matrix.image-builder-version }} on ${{ matrix.python-version }}	0s
	2h 15m 5s

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