build(deps): bump @nextcloud/dialogs from 6.4.1 to 6.4.2

Bumps [@nextcloud/dialogs](https://github.com/nextcloud-libraries/nextcloud-dialogs) from 6.4.1 to 6.4.2.
- [Release notes](https://github.com/nextcloud-libraries/nextcloud-dialogs/releases)
- [Changelog](https://github.com/nextcloud-libraries/nextcloud-dialogs/blob/v6.4.2/CHANGELOG.md)
- [Commits](nextcloud-libraries/nextcloud-dialogs@v6.4.1...v6.4.2)

---
updated-dependencies:
- dependency-name: "@nextcloud/dialogs"
  dependency-version: 6.4.2
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

package-lock.json

@@ -49,7 +49,7 @@
     "@nextcloud/browserslist-config": "^3.1.2",
     "@nextcloud/calendar-availability-vue": "^2.2.10",
     "@nextcloud/capabilities": "^1.2.1",
-    "@nextcloud/dialogs": "^6.4.1",
+    "@nextcloud/dialogs": "^6.4.2",
     "@nextcloud/event-bus": "^3.3.3",
     "@nextcloud/files": "^3.12.0",
     "@nextcloud/initial-state": "^3.0.0",