Fix dfu-util untrusted warning on macOS

Author: timothyschoen

build.sh

@@ -240,6 +240,8 @@ elif [[ "$OSTYPE" == "darwin"* ]]; then
 <dict>
     <key>com.apple.security.cs.disable-library-validation</key>
     <true/>
+    <key>com.apple.security.cs.allow-dyld-environment-variables</key>
+    <true/>
 </dict>
 </plist>
 EOF