[4.x] Add a default cURL HTTP client #719

Job	Run time
Tests (ubuntu-latest, 7.2, lowest)	35s
Tests (ubuntu-latest, 7.2, highest)	36s
Tests (ubuntu-latest, 7.3, lowest)	23s
Tests (ubuntu-latest, 7.3, highest)	1m 2s
Tests (ubuntu-latest, 7.4, lowest)	29s
Tests (ubuntu-latest, 7.4, highest)	1m 12s
Tests (ubuntu-latest, 8.0, lowest)	18s
Tests (ubuntu-latest, 8.0, highest)	1m 0s
Tests (ubuntu-latest, 8.1, lowest)	18s
Tests (ubuntu-latest, 8.1, highest)	53s
Tests (ubuntu-latest, 8.2, lowest)	17s
Tests (ubuntu-latest, 8.2, highest)	1m 2s
Tests (windows-latest, 7.2, lowest)	1m 9s
Tests (windows-latest, 7.2, highest)	1m 9s
Tests (windows-latest, 7.3, lowest)	2m 4s
Tests (windows-latest, 7.3, highest)	2m 14s
Tests (windows-latest, 7.4, lowest)	1m 19s
Tests (windows-latest, 7.4, highest)	1m 40s
Tests (windows-latest, 8.0, lowest)	1m 16s
Tests (windows-latest, 8.0, highest)	1m 54s
Tests (windows-latest, 8.1, lowest)	1m 17s
Tests (windows-latest, 8.1, highest)	2m 9s
Tests (windows-latest, 8.2, lowest)	1m 15s
Tests (windows-latest, 8.2, highest)	1m 50s
	27m 21s

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