chore: Updates server costs in financial data

Adjusts EUR value for server costs from -117.90 to -315.12
to reflect updated expenses. This change ensures accuracy
in financial reporting and aids in budget forecasting.

data/finances.json

@@ -91,7 +91,7 @@
                 "EUR": 400.23
             },
             "Server Costs":{
-                "EUR": -117.90
+                "EUR": -315.12
             },
             "Marketing": {
                 "EUR": -75.8,