Bump sweetalert2 from 8.18.6 to 9.3.4 in /app (#170)

Bumps [sweetalert2](https://github.com/sweetalert2/sweetalert2) from 8.18.6 to 9.3.4.
- [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/v8.18.6...v9.3.4)

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

app/package.json

@@ -59,7 +59,7 @@
     "json5": "^2.1.1",
     "lodash": "^4.17.15",
     "sumchecker": "^3.0.0",
-    "sweetalert2": "^8.18.6",
+    "sweetalert2": "^9.3.4",
     "vue": "^2.6.10"
   },
   "optionalDependencies": {

app/yarn.lock

@@ -2781,10 +2781,10 @@ supports-color@^5.3.0:
   dependencies:
     has-flag "^3.0.0"
 
-sweetalert2@^8.18.6:
-  version "8.18.6"
-  resolved "https://registry.yarnpkg.com/sweetalert2/-/sweetalert2-8.18.6.tgz#9df053369cb2b4ae0b955280505bf0cad0f8c4fe"
-  integrity sha512-6Jio6FH3p5hm+VHYN8mUyGhGozVo+r+eJtkUC/+bvSpXss84hcMRXNqKQs+J1+LWPy2DT7ozdyVXaVY6sMnm+w==
+sweetalert2@^9.3.4:
+  version "9.3.4"
+  resolved "https://registry.yarnpkg.com/sweetalert2/-/sweetalert2-9.3.4.tgz#2fc1fcd8538ea6613cbc80bc49e6d13f1b0150f6"
+  integrity sha512-nyW+SAZUkiKpbKSDE33J9nF5UQnc7IGC1eDHeW80HkhsggvkmQN0Clq7PHXb1roLkBLJryb2evVLDc9jZmptRQ==
 
 tar@^4.4.12:
   version "4.4.13"