Ignore brakeman warning

The setting of this data is not exposed to the user - it's all handled
internally by the token store. It should be safe to ignore this warning.

config/brakeman.ignore

@@ -1,5 +1,25 @@
 {
   "ignored_warnings": [
+    {
+      "warning_type": "Remote Code Execution",
+      "warning_code": 25,
+      "fingerprint": "0051a4e9b0e19666f13befb5a9522f07d8de4d6f05ccc6f594f15bf1b9578dc6",
+      "check_name": "Deserialize",
+      "message": "Marshal.load called with model attribute",
+      "file": "lib/token_store/sql_store.rb",
+      "line": 16,
+      "link": "http://brakemanscanner.org/docs/warning_types/unsafe_deserialization",
+      "code": "Marshal.load(Base64.decode64(Session.find_by(:session_id => session_key(token)).data))",
+      "render_path": null,
+      "location": {
+        "type": "method",
+        "class": "TokenStore::SqlStore",
+        "method": "read"
+      },
+      "user_input": "Session.find_by(:session_id => session_key(token)).data",
+      "confidence": "Medium",
+      "note": ""
+    },
     {
       "warning_type": "File Access",
       "warning_code": 16,
@@ -101,6 +121,6 @@
       "note": "Temporarily skipped, found in new brakeman version"
     }
   ],
-  "updated": "2017-02-01 08:54:32 -0500",
-  "brakeman_version": "3.5.0"
+  "updated": "2017-05-30 13:45:37 -0700",
+  "brakeman_version": "3.6.2"
 }