Integration tests for N1C metrics #5701

Job	Run time
Proxy Sanity Check	2m 4s
Lint	3m 39s
Unit tests with race condition detection	4m 30s
Performance Tests	8m 35s
Unit Tests	4m 11s
Build Unsigned Snapshot	3m 11s
Integration Tests (alpine, 3.22)	6m 40s
Integration Tests (ubuntu, 24.04)	6m 54s
Integration Tests (redhatenterprise, 9)	6m 54s
Integration Tests - Official OSS Images (bookworm, stable, debian)	7m 6s
Integration Tests - Official OSS Images (alpine, mainline, alpine)	6m 56s
Integration Tests - Official OSS Images (alpine, stable, alpine)	6m 54s
Load Tests	5m 17s
Integration Tests - Official OSS Images (bookworm, mainline, debian)	6m 14s
Integration Tests - Official Plus Images (alpine, 3.20, r32, alpine, /nginx-plus/agent)	7m 24s
Integration Tests - Official Plus Images (alpine, 3.19, r31, alpine, /nginx-plus/agent)	6m 48s
Integration Tests - Official Plus Images (debian, bookworm, r32, debian, /nginx-plus/agent)	6m 32s
Integration Tests - Official Plus Images (debian, bookworm, r31, debian, /nginx-plus/agent)	8m 0s
	1h 47m 49s

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