Removed builders from eventhubs; removed impl Into<String> from eventhubs and AMQP; Fixed time conversion issue with 1-1-0001 #5390

Job	Run time
Lint	34s
SDK docs	1m 28s
Get minimum supported rust version	14s
Code Style	1m 5s
E2E Tests (stable, false)	1m 59s
SDK Tests (stable, false)	2m 49s
E2E Tests (1.76, false)	2m 35s
WASM Tests (stable, false)	1m 23s
E2E Tests (nightly, true)	1m 51s
SDK Tests (1.76, false)	2m 55s
WASM Tests (1.76, false)	2m 27s
SDK Tests (nightly, true)	3m 29s
WASM Tests (nightly, true)	1m 15s
	24m 4s

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