🐛 Fix abbreviation for Compressibility.InverseMegapascal (#1099)

Fixes #1096

Change from/to:
```
"Abbreviations": [ "kPa⁻¹", "1/kPa" ]
"Abbreviations": [ "MPa⁻¹", "1/MPa" ]
```

Author: angularsen

Common/UnitDefinitions/Compressibility.json

@@ -45,7 +45,7 @@
       "Localization": [
         {
           "Culture": "en-US",
-          "Abbreviations": [ "kPa⁻¹", "1/kPa" ]
+          "Abbreviations": [ "MPa⁻¹", "1/MPa" ]
         }
       ]
     },