build(deps-dev): bump @solvro/config from 1.13.0 to 1.13.1 in /backend

Bumps [@solvro/config](https://github.com/Solvro/lib-web-solvro-config) from 1.13.0 to 1.13.1.
- [Release notes](https://github.com/Solvro/lib-web-solvro-config/releases)
- [Changelog](https://github.com/Solvro/lib-web-solvro-config/blob/main/.releaserc.js)
- [Commits](Solvro/lib-web-solvro-config@v1.13.0...v1.13.1)

---
updated-dependencies:
- dependency-name: "@solvro/config"
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

backend/package.json

@@ -64,7 +64,7 @@
     "@japa/assert": "^3.0.0",
     "@japa/plugin-adonisjs": "^3.0.1",
     "@japa/runner": "^3.1.4",
-    "@solvro/config": "^1.13.0",
+    "@solvro/config": "^1.13.1",
     "@swc/core": "^1.7.22",
     "@types/luxon": "^3.4.2",
     "@types/node": "^22.5.1",