chore(cpn): Update supported radio UI languages (#3587)

companion/src/apppreferencesdialog.ui

@@ -45,7 +45,7 @@
       </sizepolicy>
      </property>
      <property name="currentIndex">
-      <number>1</number>
+      <number>0</number>
      </property>
      <widget class="QWidget" name="profileTab">
       <attribute name="title">
@@ -132,7 +132,7 @@
           </sizepolicy>
          </property>
          <property name="text">
-          <string>Menu Language</string>
+          <string>Language</string>
          </property>
          <property name="alignment">
           <set>Qt::AlignLeading|Qt::AlignLeft|Qt::AlignVCenter</set>

companion/src/firmwares/opentx/opentxinterface.h

@@ -103,15 +103,17 @@ class OpenTxFirmware: public Firmware
       addLanguage("da");
       addLanguage("de");
       addLanguage("es");
+      addLanguage("fi");
       addLanguage("fr");
       addLanguage("hu");
       addLanguage("it");
+      addLanguage("jp");
       addLanguage("nl");
       addLanguage("pl");
       addLanguage("pt");
-      addLanguage("ru");
       addLanguage("se");
       addLanguage("sk");
+      addLanguage("tw");
     }
 
     virtual Firmware * getFirmwareVariant(const QString & id);