Upgrade to electron 16.0.7 (element-hq#308)

Couple of minor fixes (although doesn't look like it fixes element-hq/element-web#20467)

Also un-pin the version as we now can (and should) upgrade electron
as we would a regular dependency.

Author: dbkr

package.json

@@ -61,7 +61,7 @@
     "app-builder-lib": "^22.14.10",
     "asar": "^2.0.1",
     "chokidar": "^3.5.2",
-    "electron": "16.0.6",
+    "electron": "^16.0.7",
     "electron-builder": "22.11.4",
     "electron-builder-squirrel-windows": "22.11.4",
     "electron-devtools-installer": "^3.1.1",

yarn.lock

@@ -2237,10 +2237,10 @@ electron-window-state@^5.0.3:
     jsonfile "^4.0.0"
     mkdirp "^0.5.1"
 
-[email protected].6:
-  version "16.0.6"
-  resolved "https://registry.yarnpkg.com/electron/-/electron-16.0.6.tgz#d7a420ef2cb39d7d0a4d8760c03d72b137a033d5"
-  integrity sha512-Xs9dYLYhcJf3wXn8m2gDqFTb1L862KEhMxOx9swfFBHj6NoUPPtUgw/RyPQ0tXN1XPxG9vnBkoI0BdcKwrLKuQ==
+[email protected].7:
+  version "16.0.7"
+  resolved "https://registry.yarnpkg.com/electron/-/electron-16.0.7.tgz#87eaccd05ab61563d3c17dfbad2949bba7ead162"
+  integrity sha512-/IMwpBf2svhA1X/7Q58RV+Nn0fvUJsHniG4TizaO7q4iKFYSQ6hBvsLz+cylcZ8hRMKmVy5G1XaMNJID2ah23w==
   dependencies:
     "@electron/get" "^1.13.0"
     "@types/node" "^14.6.2"