Add validation to allowed directories on config load #5446

Job	Run time
Unit Tests	2m 26s
Lint	4m 52s
Unit tests with race condition detection	2m 55s
Build Unsigned Snapshot	2m 6s
Performance Tests	7m 17s
Integration Tests (redhatenterprise, 9)	9m 10s
Integration Tests (alpine, 3.22)	7m 21s
Integration Tests (ubuntu, 24.04)	8m 50s
Integration Tests - Official Plus Images (alpine, 3.19, r31, alpine, /nginx-plus/agent)	7m 26s
Integration Tests - Official Plus Images (debian, bookworm, r32, debian, /nginx-plus/agent)	7m 54s
Integration Tests - Official Plus Images (alpine, 3.20, r32, alpine, /nginx-plus/agent)	7m 40s
Integration Tests - Official Plus Images (debian, bookworm, r31, debian, /nginx-plus/agent)	7m 57s
Integration Tests - Official OSS Images (bookworm, stable, debian)	7m 40s
Integration Tests - Official OSS Images (bookworm, mainline, debian)	7m 43s
Integration Tests - Official OSS Images (alpine, mainline, alpine)	7m 25s
Integration Tests - Official OSS Images (alpine, stable, alpine)	7m 26s
Load Tests	5m 4s
	1h 51m 12s

Provide feedback