[fix] #839 Upgrade duniter-prover

package.json

@@ -46,7 +46,7 @@
     "duniter-common": "0.1.0",
     "duniter-crawler": "^0.2.15",
     "duniter-keypair": "^0.3.0",
-    "duniter-prover": "^0.2.8",
+    "duniter-prover": "^0.2.9",
     "event-stream": "3.3.4",
     "inquirer": "0.8.5",
     "jison": "0.4.17",