Integration tests for N1C metrics #5599

Job	Run time
Lint	9m 35s
Build Unsigned Snapshot	3m 32s
Unit Tests	3m 49s
Performance Tests	8m 28s
Proxy Sanity Check	1m 53s
Unit tests with race condition detection	4m 9s
Integration Tests (alpine, 3.22)	6m 48s
Integration Tests (ubuntu, 24.04)	7m 37s
Integration Tests (redhatenterprise, 9)	6m 29s
Integration Tests - Official OSS Images (alpine, stable, alpine)	6m 15s
Integration Tests - Official OSS Images (bookworm, stable, debian)	6m 13s
Integration Tests - Official OSS Images (alpine, mainline, alpine)	6m 47s
Load Tests	5m 27s
Integration Tests - Official Plus Images (alpine, 3.19, r31, alpine, /nginx-plus/agent)	5m 58s
Integration Tests - Official Plus Images (debian, bookworm, r32, debian, /nginx-plus/agent)	7m 29s
Integration Tests - Official Plus Images (debian, bookworm, r31, debian, /nginx-plus/agent)	7m 7s
Integration Tests - Official OSS Images (bookworm, mainline, debian)	6m 10s
Integration Tests - Official Plus Images (alpine, 3.20, r32, alpine, /nginx-plus/agent)	6m 50s
	1h 50m 36s

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