Update branch name references from v3 to dev-v2 (#1113) #5176

Job	Run time
Unit tests with race condition detection	2m 41s
Unit Tests	2m 34s
Build Unsigned Snapshot	2m 16s
Performance Tests	4m 57s
Lint	4m 43s
Load Tests	4m 49s
Integration Tests (alpine, 3.19)	7m 55s
Integration Tests (redhatenterprise, 9)	10m 22s
Integration Tests - Official OSS Images (bookworm, mainline, debian)	7m 20s
Integration Tests - Official OSS Images (alpine, stable, alpine)	7m 21s
Integration Tests - Official OSS Images (bookworm, stable, debian)	7m 42s
Integration Tests - Official Plus Images (debian, bookworm, r31, debian, /nginx-plus/agent)	7m 40s
Integration Tests - Official OSS Images (alpine, mainline, alpine)	7m 22s
Integration Tests - Official Plus Images (alpine, 3.20, r32, alpine, /nginx-plus/agent)	7m 23s
Integration Tests - Official Plus Images (alpine, 3.19, r31, alpine, /nginx-plus/agent)	7m 35s
Integration Tests - Official Plus Images (debian, bookworm, r32, debian, /nginx-plus/agent)	7m 43s
	1h 40m 23s

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