Merge pull request #37 from marksie1988/dependabot/npm_and_yarn/dev/lit-element-2.3.1

Bump lit-element from 2.2.1 to 2.3.1

Author: marksie1988

package-lock.json

@@ -38,7 +38,7 @@
   },
   "dependencies": {
     "@rollup/plugin-node-resolve": "^7.1.1",
-    "lit-element": "^2.2.1",
+    "lit-element": "^2.3.1",
     "moment": "^2.24.0",
     "node-google-calendar": "^1.1.1"
   },