fix: update TTES sheet name

Author: amos-schledorn

scripts/compile_cost_assumptions.py

@@ -97,7 +97,7 @@
                'decentral ground-sourced heat pump': '207.7 Ground source existing',
                'decentral air-sourced heat pump': '207.3 Air to water existing',
                # 'decentral resistive heater': '216 Electric heating',
-               'central water tank storage': '140 PTES seasonal',
+               'central water tank storage': '141 Large hot water tank',
                # 'decentral water tank storage': '142 Small scale hot water tank',
                'fuel cell': '12 LT-PEMFC CHP',
                'hydrogen storage underground': '151c Hydrogen Storage - Caverns',