Bump cordova-plugin-ionic-webview from 1.1.15 to 2.2.0

Bumps [cordova-plugin-ionic-webview](https://github.com/ionic-team/cordova-plugin-ionic-webview) from 1.1.15 to 2.2.0.
- [Release notes](https://github.com/ionic-team/cordova-plugin-ionic-webview/releases)
- [Changelog](https://github.com/ionic-team/cordova-plugin-ionic-webview/blob/master/CHANGELOG.md)
- [Commits](ionic-team/cordova-plugin-ionic-webview@v1.1.15...v2.2.0)

Signed-off-by: dependabot[bot] <support@github.com>

package.json

@@ -47,7 +47,7 @@
     "cordova-plugin-ignore-lint-translation": "0.0.1",
     "cordova-plugin-inappbrowser": "^1.7.1",
     "cordova-plugin-ionic-keyboard": "^2.1.2",
-    "cordova-plugin-ionic-webview": "^1.1.15",
+    "cordova-plugin-ionic-webview": "^2.2.0",
     "cordova-plugin-secure-storage-echo": "^5.0.1",
     "cordova-plugin-splashscreen": "^4.0.3",
     "cordova-plugin-statusbar": "^2.3.0",