Pontoon/AMO Frontend: Update Sorbian, Upper (hsb)

Co-authored-by: Michael Wolf <[email protected]> (hsb)

Author: mozilla-pontoon

locale/hsb/LC_MESSAGES/amo.po

@@ -1682,7 +1682,7 @@ msgstr "Prawa"
 
 #: src/amo/components/PermissionsCard/index.js:84
 msgid "Required permissions:"
-msgstr ""
+msgstr "Trěbne prawa:"
 
 #: src/amo/components/PermissionsCard/index.js:94
 msgid "Optional permissions:"