fix(agentcompat): validate evidence modes by platform

Co-authored-by: naiba/CloudCode <hi+cloudcode@nai.ba>

integration/agentcompat/internal/evidence/directory_permissions_windows.go

@@ -0,0 +1,13 @@
+//go:build windows
+
+package evidence
+
+import "os"
+
+func validateEvidenceDirectoryMode(os.FileInfo) error {
+	return nil
+}
+
+func validateEvidenceFileMode(os.FileInfo, string) error {
+	return nil
+}