Bump sweetalert2 from 10.15.7 to 10.16.7 in /app

Bumps [sweetalert2](https://github.com/sweetalert2/sweetalert2) from 10.15.7 to 10.16.7.
- [Release notes](https://github.com/sweetalert2/sweetalert2/releases)
- [Changelog](https://github.com/sweetalert2/sweetalert2/blob/master/CHANGELOG.md)
- [Commits](https://github.com/sweetalert2/sweetalert2/compare/v10.15.7...v10.16.7)

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

app/package.json

@@ -69,7 +69,7 @@
         "materialize-css": "git://github.com/cutls/materialize#v1-dev",
         "sanitize-html": "^2.3.2",
         "sumchecker": "^3.0.1",
-        "sweetalert2": "^10.15.7",
+        "sweetalert2": "^10.16.7",
         "system-font-families": "^0.4.1",
         "textarea-caret": "^3.1.0",
         "vue": "^2.6.12"

app/yarn.lock

@@ -4913,10 +4913,10 @@ supports-color@^7.1.0:
   dependencies:
     has-flag "^4.0.0"
 
-sweetalert2@^10.15.7:
-  version "10.15.7"
-  resolved "https://registry.yarnpkg.com/sweetalert2/-/sweetalert2-10.15.7.tgz#ad4c8f08432952d3283adbaa9a309c534f5a863d"
-  integrity sha512-imY0MR03NGefPcGzSYjWYz1GMIlniusEBXilswvKrHD/GMiTxA5jnsdjtK2IoRyXfEaqV7GWt6DM4YVjAZU8gw==
+sweetalert2@^10.16.7:
+  version "10.16.7"
+  resolved "https://registry.yarnpkg.com/sweetalert2/-/sweetalert2-10.16.7.tgz#beea4accd616c93545ab16ee40c41a3e79ac866b"
+  integrity sha512-8w7UMU+joJro3r7CyyqLOK5Agc0/TI2OqC2T8odOOYRKbPvq2Bq9GF3HoQT2tFnjiqP5QEpVugayowoIl2ZlWw==
 
 syntax-error@^1.1.1:
   version "1.4.0"