Check if NGINX reload is complete #5598

Job	Run time
Lint	9m 44s
Proxy Sanity Check	2m 2s
Unit tests with race condition detection	4m 4s
Unit Tests	4m 14s
Build Unsigned Snapshot	4m 7s
Performance Tests	8m 34s
Integration Tests (ubuntu, 24.04)	6m 51s
Integration Tests (redhatenterprise, 9)	7m 46s
Integration Tests - Official OSS Images (bookworm, stable, debian)	6m 13s
Integration Tests - Official Plus Images (alpine, 3.20, r32, alpine, /nginx-plus/agent)	6m 24s
Integration Tests - Official Plus Images (debian, bookworm, r32, debian, /nginx-plus/agent)	6m 3s
Integration Tests - Official Plus Images (debian, bookworm, r31, debian, /nginx-plus/agent)	7m 37s
Integration Tests (alpine, 3.22)	5m 42s
Integration Tests - Official Plus Images (alpine, 3.19, r31, alpine, /nginx-plus/agent)	10m 49s
Integration Tests - Official OSS Images (bookworm, mainline, debian)	6m 24s
Integration Tests - Official OSS Images (alpine, stable, alpine)	6m 49s
Integration Tests - Official OSS Images (alpine, mainline, alpine)	6m 6s
Load Tests	4m 59s
	1h 54m 28s

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