Update slider texts transport (#4524)

* Cherry-pick from branch update-slider-texts-new

* Change EN locales DSR electric cars

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Co-authored-by: Kyra de Haan <[email protected]>

Author: claudiavalkenier

config/locales/en_etm.yml

@@ -550,7 +550,7 @@ en:
     insulation_terraced_houses: "Typical heat demand terraced houses"
     insulation_semi_detached_houses: "Typical heat demand semi-detached houses"
     insulation_detached_houses: "Typical heat demand detached houses"
-    electric_vehicles_charging_strategy: "Charging strategy for electric vehicles"
+    electric_vehicles_charging_strategy: "Charging strategy for electric cars"
     flexibility_buffers_space: "Buffer size for households space heating"
     flexibility_buffers_water: "Buffer size for households hot water"
     flexibility_cop: "Threshold COP for hybrid heat pumps"