bump some libs

Author: dceejay

package.json

@@ -40,7 +40,7 @@
         "grunt-lint-inline": "1.0.0",
         "grunt-simple-mocha": "0.4.1",
         "imap": "0.8.19",
-        "mailparser": "3.9.6",
+        "mailparser": "3.9.8",
         "markdown-it": "14.1.1",
         "mocha": "6.2.3",
         "msgpack-lite": "0.1.26",
@@ -49,13 +49,13 @@
         "node-pop3": "0.11.0",
         "node-red": "4.1.8",
         "node-red-node-test-helper": "0.3.2",
-        "nodemailer": "7.0.13",
+        "nodemailer": "8.0.5",
         "proxyquire": "2.1.3",
         "pushbullet": "3.0.0",
         "sentiment": "2.1.0",
         "should": "13.2.3",
         "sinon": "7.5.0",
-        "smtp-server": "3.18.3",
+        "smtp-server": "3.18.4",
         "supertest": "4.0.2",
         "when": "3.7.8"
     },