Add unmanaged option to file proto (#964) #4531

Job	Run time
Lint	3m 49s
Performance Tests	4m 32s
Unit tests with race condition detection	2m 30s
Build Unsigned Snapshot	1m 59s
Unit Tests	2m 5s
Load Tests	4m 14s
Integration Tests - Official OSS Images (bookworm, stable, debian)	5m 10s
Integration Tests (ubuntu, 22.04)	8m 4s
Integration Tests - Official Plus Images (alpine, 3.20, r32, alpine, /nginx-plus/agent)	4m 46s
Integration Tests (redhatenterprise, 9)	7m 46s
Integration Tests - Official Plus Images (alpine, 3.19, r31, alpine, /nginx-plus/agent)	4m 43s
Integration Tests (alpine, 3.19)	5m 42s
Integration Tests - Official Plus Images (debian, bookworm, r32, debian, /nginx-plus/agent)	4m 54s
Integration Tests - Official Plus Images (debian, bookworm, r31, debian, /nginx-plus/agent)	5m 8s
Integration Tests - Official OSS Images (bookworm, mainline, debian)	5m 12s
Integration Tests - Official OSS Images (alpine, stable, alpine)	4m 50s
Integration Tests - Official OSS Images (alpine, mainline, alpine)	4m 45s
Publish NGINX Agent v3 packages / Set workflow variables	3s
Publish NGINX Agent v3 packages / Update Release Draft	7s
Publish NGINX Agent v3 packages / Tag Release	2s
Publish NGINX Agent v3 packages / Upload packages	7m 34s
Publish NGINX Agent v3 packages / Merge release branch back into V3 branch	0s
	1h 27m 55s

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