fix: Fix JSON syntax errors in translation files

- Fixed missing closing brace in es.json selector.api_provider.options
- Fixed missing closing brace in de.json selector.api_provider.options
- All other translation files (hi.json, it.json, sr.json, zh.json) have correct syntax
- Ensures proper JSON validation and prevents parsing errors

custom_components/ha_text_ai/translations/de.json

@@ -94,7 +94,7 @@
         "gemini": "Google Gemini"
       }
     }
-},
+  },
   "services": {
     "ask_question": {
       "name": "Frage stellen (HA Text AI)",

custom_components/ha_text_ai/translations/es.json

@@ -94,7 +94,7 @@
         "gemini": "Google Gemini"
       }
     }
-},
+  },
   "services": {
     "ask_question": {
       "name": "Hacer Pregunta (HA Text AI)",