Update release-branch.yml permissions #5165

Job	Run time
Unit Tests	2m 26s
Unit tests with race condition detection	2m 47s
Build Unsigned Snapshot	2m 5s
Performance Tests	4m 58s
Lint	4m 42s
Integration Tests - Official OSS Images (bookworm, mainline, debian)	7m 43s
Integration Tests - Official OSS Images (alpine, mainline, alpine)	7m 17s
Integration Tests - Official OSS Images (bookworm, stable, debian)	7m 32s
Integration Tests (redhatenterprise, 9)	10m 18s
Integration Tests (alpine, 3.19)	7m 51s
Integration Tests - Official Plus Images (debian, bookworm, r32, debian, /nginx-plus/agent)	7m 48s
Integration Tests - Official Plus Images (alpine, 3.19, r31, alpine, /nginx-plus/agent)	6m 59s
Integration Tests - Official OSS Images (alpine, stable, alpine)	7m 19s
Load Tests	4m 59s
Integration Tests - Official Plus Images (alpine, 3.20, r32, alpine, /nginx-plus/agent)	7m 15s
Integration Tests - Official Plus Images (debian, bookworm, r31, debian, /nginx-plus/agent)	7m 55s
	1h 39m 54s

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