chore: bump deps

 mqtt-packet                          ^6.9.0  →     ^6.9.1   Fixes #612
 @sinonjs/fake-timers                 ^7.0.2  →     ^7.0.5
 @types/node                       ^14.14.34  →  ^14.14.41
 @typescript-eslint/eslint-plugin    ^4.17.0  →    ^4.22.0
 @typescript-eslint/parser           ^4.17.0  →    ^4.22.0
 release-it                          ^14.4.1  →    ^14.6.1
 typescript                           ^4.2.3  →     ^4.2.4

package.json

@@ -96,10 +96,10 @@
   ],
   "license": "MIT",
   "devDependencies": {
-    "@sinonjs/fake-timers": "^7.0.2",
-    "@types/node": "^14.14.34",
-    "@typescript-eslint/eslint-plugin": "^4.17.0",
-    "@typescript-eslint/parser": "^4.17.0",
+    "@sinonjs/fake-timers": "^7.0.5",
+    "@types/node": "^14.14.41",
+    "@typescript-eslint/eslint-plugin": "^4.22.0",
+    "@typescript-eslint/parser": "^4.22.0",
     "concat-stream": "^2.0.0",
     "duplexify": "^4.1.1",
     "license-checker": "^25.0.1",
@@ -108,12 +108,12 @@
     "mqtt-connection": "^4.1.0",
     "pre-commit": "^1.2.2",
     "proxyquire": "^2.1.3",
-    "release-it": "^14.4.1",
+    "release-it": "^14.6.1",
     "snazzy": "^9.0.0",
     "standard": "^16.0.3",
     "tap": "^15.0.2",
     "tsd": "^0.14.0",
-    "typescript": "^4.2.3",
+    "typescript": "^4.2.4",
     "websocket-stream": "^5.5.2"
   },
   "dependencies": {
@@ -126,7 +126,7 @@
     "fastseries": "^2.0.0",
     "hyperid": "^2.1.0",
     "mqemitter": "^4.4.1",
-    "mqtt-packet": "^6.9.0",
+    "mqtt-packet": "^6.9.1",
     "readable-stream": "^3.6.0",
     "retimer": "^3.0.0",
     "reusify": "^1.0.4",