Add "invalid_credentials" message to multiple language files

- Updated Spanish (es.json) to include "invalid_credentials": "Credenciales no válidas"
- Updated French (fr.json) to include "invalid_credentials": "Des références non valides"
- Updated Italian (it.json) to include "invalid_credentials": "Credenziali non valide"
- Updated Korean (ko.json) to include "invalid_credentials": "잘못된 자격 증명"
- Updated Dutch (nl.json) to include "invalid_credentials": "Ongeldige referenties"
- Updated Norwegian (no.json) to include "invalid_credentials": "Ugyldig legitimasjon"
- Updated Russian (ru.json) to include "invalid_credentials": "Неверные полномочия"
- Updated Swedish (sv.json) to include "invalid_credentials": "Ogiltiga referenser"
- Updated Chinese (zh.json) to include "invalid_credentials": "无效的凭据"

frontend/src/lib/config.ts

@@ -1,4 +1,4 @@
-export let appVersion = 'v0.10.0-main-06132025';
+export let appVersion = 'v0.10.0-main-06152025';
 export let versionChangelog = 'https://github.com/seanmorley15/AdventureLog/releases/tag/v0.10.0';
 export let appTitle = 'AdventureLog';
 export let copyrightYear = '2023-2025';