Bump svelte-loader from 3.1.8 to 3.1.9

Bumps [svelte-loader](https://github.com/sveltejs/svelte-loader) from 3.1.8 to 3.1.9.
- [Changelog](https://github.com/sveltejs/svelte-loader/blob/master/CHANGELOG.md)
- [Commits](https://github.com/sveltejs/svelte-loader/commits)

---
updated-dependencies:
- dependency-name: svelte-loader
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

package.json

@@ -57,7 +57,7 @@
     "svelte": "^3.59.1",
     "svelte-check": "^2.10.3",
     "svelte-i18n": "^3.2.0 <3.2.1",
-    "svelte-loader": "^3.1.8",
+    "svelte-loader": "^3.1.9",
     "svelte-material-ui": "^6.2.0",
     "svelte-preprocess": "^5.0.3",
     "ts-jest": "^28.0.8",