feat(core/dns): new dns client library #34752

Job	Run time
build / Build dependencies	10s
build / Build dependencies	10s
Lint and Doc tests	25s
Lint and Doc tests	25s
PDK tests	3m 57s
PDK tests	3m 57s
Schedule busted tests to run	12s
Schedule busted tests to run	12s
Busted test runner 1	13m 44s
Busted test runner 1	13m 44s
Busted test runner 2	13m 44s
Busted test runner 2	13m 44s
Busted test runner 3	14m 1s
Busted test runner 3	14m 1s
Busted test runner 4	13m 50s
Busted test runner 4	13m 50s
Busted test runner 5	13m 36s
Busted test runner 5	13m 36s
Busted test runner 6	13m 45s
Busted test runner 6	56s
Busted test runner 7	14m 58s
Busted test runner 7	14m 58s
Cleanup and Luacov stats aggregator	0s
Cleanup and Luacov stats aggregator	0s
	3h 11m 55s

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