Bump rollup from 2.26.8 to 2.26.10 in /app

Bumps [rollup](https://github.com/rollup/rollup) from 2.26.8 to 2.26.10.
- [Release notes](https://github.com/rollup/rollup/releases)
- [Changelog](https://github.com/rollup/rollup/blob/master/CHANGELOG.md)
- [Commits](https://github.com/rollup/rollup/compare/v2.26.8...v2.26.10)

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

app/package-lock.json

@@ -959,9 +959,9 @@
       }
     },
     "rollup": {
-      "version": "2.26.8",
-      "resolved": "https://registry.npmjs.org/rollup/-/rollup-2.26.8.tgz",
-      "integrity": "sha512-li9WaJYc5z9WzV1jhZbPQCrsOpGNsI+Li1qyrn5n745ZNSnlkRlBtj1Hs+Z0Dc2N1+P7HT34UKAEASqN9Th8cg==",
+      "version": "2.26.10",
+      "resolved": "https://registry.npmjs.org/rollup/-/rollup-2.26.10.tgz",
+      "integrity": "sha512-dUnjCWOA0h9qNX6qtcHidyatz8FAFZxVxt1dbcGtKdlJkpSxGK3G9+DLCYvtZr9v94D129ij9zUhG+xbRoqepw==",
       "dev": true,
       "requires": {
         "fsevents": "~2.1.2"

app/package.json

@@ -14,6 +14,6 @@
   "devDependencies": {
     "jshint": "^2.12.0",
     "nodemon": "^2.0.4",
-    "rollup": "^2.26.8"
+    "rollup": "^2.26.10"
   }
 }