build(deps): Bump whatwg-fetch from 3.6.18 to 3.6.19

Bumps [whatwg-fetch](https://github.com/github/fetch) from 3.6.18 to 3.6.19.
- [Release notes](https://github.com/github/fetch/releases)
- [Changelog](https://github.com/JakeChampion/fetch/blob/main/CHANGELOG.md)
- [Commits](JakeChampion/fetch@v3.6.18...v3.6.19)

---
updated-dependencies:
- dependency-name: whatwg-fetch
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

package.json

@@ -52,6 +52,6 @@
     "vue-material-design-icons": "^5.2.0",
     "vue-template-compiler": "^2.7.14",
     "webdav": "^5.3.0",
-    "whatwg-fetch": "^3.6.18"
+    "whatwg-fetch": "^3.6.19"
   }
 }