0.3.2 update deps includin mqtt to v4

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@uci/mqtt",
-  "version": "0.3.1",
+  "version": "0.3.2",
   "description": "mqtt client with UCI json packet payloads",
   "main": "src",
   "scripts": {
@@ -28,19 +28,19 @@
   },
   "homepage": "https://github.com/uCOMmandIt/uci-changeme#readme",
   "dependencies": {
-    "@uci-utils/logger": "^0.0.16",
+    "@uci-utils/logger": "^0.0.18",
     "better-try-catch": "0.6.2",
-    "is-plain-object": "^3.0.0",
+    "is-plain-object": "^4.1.1",
     "lodash.union": "^4.6.0",
     "lodash.xor": "^4.5.0",
-    "mqtt": "^3.0.0",
+    "mqtt": "^4.1.0",
     "mqtt-match": "^2.0.3"
   },
   "devDependencies": {
     "chai": "^4.2.0",
-    "delay": "^4.3.0",
+    "delay": "^4.4.0",
     "esm": "^3.2.25",
-    "mocha": "^7.1.0",
-    "nodemon": "^2.0.2"
+    "mocha": "^8.0.1",
+    "nodemon": "^2.0.4"
   }
 }