fix(deps): update dependency @mdi/js to v7

Change-Id: Ie238843ddfe3935a702b76ee92809e206981957b
diff --git a/package-lock.json b/package-lock.json
index a1bdecb..b18edf8 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -9,7 +9,7 @@
       "version": "0.0.0",
       "license": "MIT",
       "dependencies": {
-        "@mdi/js": "^6.7.96",
+        "@mdi/js": "^7.0.0",
         "@polymer/paper-button": "^3.0.1",
         "chrome-types": "^0.1.113",
         "clean-terminal-webpack-plugin": "^3.0.0",
@@ -204,9 +204,9 @@
       }
     },
     "node_modules/@mdi/js": {
-      "version": "6.9.96",
-      "resolved": "https://registry.npmjs.org/@mdi/js/-/js-6.9.96.tgz",
-      "integrity": "sha512-rK0/vLFaiItYS2W7uVmaKPKnhNQE4XVkylpk5njtVwENnp8elwY5uRL6qvdj2esuvUHG7DwygE4Qu3eKxxuJiQ=="
+      "version": "7.4.47",
+      "resolved": "https://registry.npmjs.org/@mdi/js/-/js-7.4.47.tgz",
+      "integrity": "sha512-KPnNOtm5i2pMabqZxpUz7iQf+mfrYZyKCZ8QNz85czgEt7cuHcGorWfdzUMWYA0SD+a6Hn4FmJ+YhzzzjkTZrQ=="
     },
     "node_modules/@nodelib/fs.scandir": {
       "version": "2.1.5",
@@ -3307,9 +3307,9 @@
       }
     },
     "@mdi/js": {
-      "version": "6.9.96",
-      "resolved": "https://registry.npmjs.org/@mdi/js/-/js-6.9.96.tgz",
-      "integrity": "sha512-rK0/vLFaiItYS2W7uVmaKPKnhNQE4XVkylpk5njtVwENnp8elwY5uRL6qvdj2esuvUHG7DwygE4Qu3eKxxuJiQ=="
+      "version": "7.4.47",
+      "resolved": "https://registry.npmjs.org/@mdi/js/-/js-7.4.47.tgz",
+      "integrity": "sha512-KPnNOtm5i2pMabqZxpUz7iQf+mfrYZyKCZ8QNz85czgEt7cuHcGorWfdzUMWYA0SD+a6Hn4FmJ+YhzzzjkTZrQ=="
     },
     "@nodelib/fs.scandir": {
       "version": "2.1.5",