Update credential watcher to allow second credential watcher #5363

Job	Run time
Unit Tests	2m 20s
Lint	4m 32s
Build Unsigned Snapshot	2m 1s
Unit tests with race condition detection	2m 45s
Performance Tests	6m 45s
Integration Tests (redhatenterprise, 9)	9m 19s
Integration Tests (alpine, 3.19)	9m 5s
Integration Tests - Official Plus Images (debian, bookworm, r32, debian, /nginx-plus/agent)	9m 25s
Integration Tests - Official OSS Images (alpine, mainline, alpine)	9m 21s
Integration Tests - Official OSS Images (alpine, stable, alpine)	9m 15s
Integration Tests - Official OSS Images (bookworm, mainline, debian)	9m 17s
Integration Tests - Official OSS Images (bookworm, stable, debian)	9m 32s
Integration Tests - Official Plus Images (alpine, 3.20, r32, alpine, /nginx-plus/agent)	9m 27s
Load Tests	5m 7s
Integration Tests - Official Plus Images (alpine, 3.19, r31, alpine, /nginx-plus/agent)	9m 16s
Integration Tests - Official Plus Images (debian, bookworm, r31, debian, /nginx-plus/agent)	9m 31s
	1h 56m 58s

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