Update all the dependencies

package.json

@@ -32,33 +32,33 @@
   "author": "The Polymer Authors",
   "license": "BSD-3-Clause",
   "dependencies": {
-    "lit-element": "^2.2.1"
+    "lit-element": "^2.3.1"
   },
   "devDependencies": {
-    "@11ty/eleventy": "^0.9.0",
-    "@11ty/eleventy-plugin-syntaxhighlight": "^2.0.3",
-    "@open-wc/testing": "^2.4.2",
-    "@open-wc/testing-karma": "^3.2.19",
-    "@rollup/plugin-replace": "^2.2.1",
-    "@types/chai": "^4.2.7",
-    "@types/mocha": "^5.2.7",
-    "@typescript-eslint/eslint-plugin": "^2.12.0",
-    "@typescript-eslint/parser": "^2.12.0",
+    "@11ty/eleventy": "^0.10.0",
+    "@11ty/eleventy-plugin-syntaxhighlight": "^3.0.1",
+    "@open-wc/testing": "^2.5.10",
+    "@open-wc/testing-karma": "^3.3.11",
+    "@rollup/plugin-replace": "^2.3.1",
+    "@types/chai": "^4.2.11",
+    "@types/mocha": "^7.0.2",
+    "@typescript-eslint/eslint-plugin": "^2.27.0",
+    "@typescript-eslint/parser": "^2.27.0",
     "chai": "^4.2.0",
     "deepmerge": "^4.2.2",
-    "es-dev-server": "^1.23.1",
-    "eslint": "^6.7.2",
+    "es-dev-server": "^1.46.1",
+    "eslint": "^6.8.0",
     "karma": "^4.4.1",
     "karma-chai": "^0.1.0",
     "karma-mocha": "^1.3.0",
-    "lit-analyzer": "^1.1.9",
-    "mocha": "^6.2.2",
-    "prettier": "^1.19.1",
-    "rollup": "^1.27.13",
-    "rollup-plugin-filesize": "^6.2.1",
+    "lit-analyzer": "^1.1.10",
+    "mocha": "^7.1.1",
+    "prettier": "^2.0.4",
+    "rollup": "^1.32.1",
+    "rollup-plugin-filesize": "^7.0.0",
     "rollup-plugin-node-resolve": "^5.2.0",
-    "rollup-plugin-terser": "^5.1.3",
-    "typescript": "^3.7.2",
-    "web-component-analyzer": "^1.0.0"
+    "rollup-plugin-terser": "^5.3.0",
+    "typescript": "^3.8.3",
+    "web-component-analyzer": "^1.0.3"
   }
 }