[internal/aws] Update AWS clients to allow for configured request han… #546

Job	Run time
windows-unittest-matrix (receiver-0)	16m 59s
windows-unittest-matrix (receiver-1)	17m 1s
windows-unittest-matrix (processor)	17m 3s
windows-unittest-matrix (exporter)	17m 2s
windows-unittest-matrix (extension)	16m 50s
windows-unittest-matrix (internal)	16m 47s
windows-unittest-matrix (pkg)	16m 50s
windows-unittest-matrix (cmd)	17m 3s
windows-unittest-matrix (other)	17m 2s
windows-unittest	0s
	2h 32m 37s

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