Fix watcher & resource race conditions (#981) #4664

Job	Run time
Performance Tests	4m 45s
Lint	4m 1s
Unit tests with race condition detection	2m 30s
Build Unsigned Snapshot	1m 49s
Unit Tests	2m 8s
Integration Tests (ubuntu, 22.04)	9m 50s
Integration Tests - Official Plus Images (alpine, 3.20, r32, alpine, /nginx-plus/agent)	5m 42s
Integration Tests (redhatenterprise, 9)	8m 53s
Load Tests	4m 27s
Integration Tests - Official Plus Images (alpine, 3.19, r31, alpine, /nginx-plus/agent)	5m 40s
Integration Tests (alpine, 3.19)	6m 28s
Integration Tests - Official Plus Images (debian, bookworm, r32, debian, /nginx-plus/agent)	5m 53s
Integration Tests - Official Plus Images (debian, bookworm, r31, debian, /nginx-plus/agent)	5m 49s
Integration Tests - Official OSS Images (bookworm, stable, debian)	5m 46s
Integration Tests - Official OSS Images (bookworm, mainline, debian)	5m 51s
Integration Tests - Official OSS Images (alpine, stable, alpine)	5m 36s
Integration Tests - Official OSS Images (alpine, mainline, alpine)	5m 35s
Publish NGINX Agent v3 packages / Set workflow variables	4s
Publish NGINX Agent v3 packages / Update Release Draft	6s
Publish NGINX Agent v3 packages / Tag Release	4s
Publish NGINX Agent v3 packages / Merge release branch back into V3 branch	0s
Publish NGINX Agent v3 packages / Upload packages	11m 31s
	1h 42m 28s

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