Overview of changes in gnome-calculator 47.beta
    * Updated translations
    * Fix hex string conversion for bitwise operator !177 (Xiong Nandi)
    * Force LTR for buttons !171 (Khalid Abu Shawarib)
    * Added kWh, MJ, KJ unit support #417 (Robert Roth)
    * Sort conversion categories alphabetically #395 (Robert Roth)
    * Removed obsolete bulgarian translations #402 (Robert Roth)
    * Only allow alphanumeric values for variable names #396 (Robert Roth)
    * Replace base_label with buttons !173 (Clément Mathieu--Drif)
    * Updated flathub badge !174 (Brage Fuglseth)
    * Use adwaita spinner !175 (Cristopher Davis)