Bump react-dropzone from 14.4.1 to 15.0.0 in /src/web

Bumps [react-dropzone](https://github.com/react-dropzone/react-dropzone) from 14.4.1 to 15.0.0.
- [Release notes](https://github.com/react-dropzone/react-dropzone/releases)
- [Commits](react-dropzone/react-dropzone@v14.4.1...v15.0.0)

---
updated-dependencies:
- dependency-name: react-dropzone
  dependency-version: 15.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

src/web/package-lock.json

@@ -13,7 +13,7 @@
   "dependencies": {
     "react": "^19.2.4",
     "react-dom": "^19.2.4",
-    "react-dropzone": "^14.2.3"
+    "react-dropzone": "^15.0.0"
   },
   "devDependencies": {
     "@eslint/js": "^9.39.4",