Update NGINX Plus in Integration Tests #5606

Job	Run time
Lint	7m 44s
Proxy Sanity Check	1m 58s
Performance Tests	10m 12s
Unit Tests	3m 26s
Build Unsigned Snapshot	3m 7s
Unit tests with race condition detection	3m 48s
Integration Tests - Official OSS Images (bookworm, stable, debian)	43s
Integration Tests - Official Plus Images (alpine, 3.20, r33, alpine, /nginx-plus/agent)	4m 7s
Integration Tests - Official OSS Images (alpine, stable, alpine)	55s
Integration Tests - Official Plus Images (debian, bookworm, r33, debian, /nginx-plus/agent)	4m 7s
Integration Tests - Official Plus Images (alpine, 3.19, r33, alpine, /nginx-plus/agent)	3m 51s
Integration Tests (redhatenterprise, 9)	6m 38s
Integration Tests - Official OSS Images (bookworm, mainline, debian)	58s
Integration Tests - Official Plus Images (debian, bookworm, r33, debian, /nginx-plus/agent)	4m 8s
Integration Tests (ubuntu, 24.04)	6m 15s
Integration Tests - Official OSS Images (alpine, mainline, alpine)	53s
Load Tests	5m 0s
Integration Tests (alpine, 3.22)	5m 55s
	1h 13m 45s

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