dep: bump policy machinery to v0.6.0 #4195

Job	Run time
Integration Tests for kuadrant-operator/controllers (istio, istioctl)	11m 46s
Integration Tests for kuadrant-operator/controllers (envoygateway)	12m 21s
Unit Tests (1.22.x, ubuntu-latest)	2m 3s
Integration Tests for kuadrant-operator/tests/bare_k8s	4m 51s
Integration Tests for kuadrant-operator/tests/gatewayapi	5m 14s
Integration Tests for kuadrant-operator/tests/[gatewayapi-provider] (istio)	6m 17s
Integration Tests for kuadrant-operator/tests/[gatewayapi-provider] (envoygateway)	6m 20s
Test Scripts (1.22.x, ubuntu-latest)	11s
Test Scripts (1.22.x, macos-latest)	17s
Verify bundle	1m 11s
Verify fmt	11s
Verify generate	37s
Verify go.mod	12s
Verify manifests	34s
Verify helm charts	57s
	53m 2s

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