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

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

Author: mozilla-pontoon

locale/dsb/LC_MESSAGES/amo.po

@@ -1682,11 +1682,11 @@ msgstr "Pšawa"
 
 #: src/amo/components/PermissionsCard/index.js:84
 msgid "Required permissions:"
-msgstr ""
+msgstr "Trjebne pšawa:"
 
 #: src/amo/components/PermissionsCard/index.js:94
 msgid "Optional permissions:"
-msgstr ""
+msgstr "Opcionalne pšawa:"
 
 #: src/amo/components/PermissionsCard/permissions.js:27
 msgid "Read and modify bookmarks"

locale/hsb/LC_MESSAGES/amo.po

@@ -1686,7 +1686,7 @@ msgstr "Trěbne prawa:"
 
 #: src/amo/components/PermissionsCard/index.js:94
 msgid "Optional permissions:"
-msgstr ""
+msgstr "Opcionalne prawa:"
 
 #: src/amo/components/PermissionsCard/permissions.js:27
 msgid "Read and modify bookmarks"