Add JSON client for feed and tags #435

Job	Run time
integration-test (macos-latest, 3.9)	40s
integration-test (macos-latest, 3.10)	30s
unit-test (macos-latest, 3.9)	1m 33s
integration-test (macos-latest, 3.11)	16s
unit-test (macos-latest, 3.10)	1m 32s
integration-test (macos-latest, 3.12)	17s
unit-test (macos-latest, 3.11)	1m 5s
integration-test (ubuntu-22.04, 3.9)	21s
unit-test (macos-latest, 3.12)	1m 59s
integration-test (ubuntu-22.04, 3.10)	18s
unit-test (ubuntu-22.04, 3.9)	1m 40s
integration-test (ubuntu-22.04, 3.11)	15s
unit-test (ubuntu-22.04, 3.10)	1m 42s
integration-test (ubuntu-22.04, 3.12)	16s
unit-test (ubuntu-22.04, 3.11)	1m 11s
unit-test (ubuntu-22.04, 3.12)	2m 58s
integration-test (windows-latest, 3.9)	40s
integration-test (windows-latest, 3.10)	45s
unit-test (windows-latest, 3.9)	1m 57s
integration-test (windows-latest, 3.11)	59s
integration-test (windows-latest, 3.12)	58s
unit-test (windows-latest, 3.10)	2m 26s
unit-test (windows-latest, 3.11)	2m 15s
unit-test (windows-latest, 3.12)	3m 25s
	29m 58s

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