Pontoon/AMO Frontend: Update Swedish (sv-SE)

Co-authored-by: Andreas Pettersson <[email protected]> (sv-SE)

Author: mozilla-pontoon

locale/sv_SE/LC_MESSAGES/amo.po

@@ -2418,8 +2418,8 @@ msgstr "Inga recensioner ännu"
 #: src/amo/pages/Addon/index.js:254
 msgid "Rated %(ratingAverage)s by 1 reviewer"
 msgid_plural "Rated %(ratingAverage)s by %(ratingCount)s reviewers"
-msgstr[0] ""
-msgstr[1] ""
+msgstr[0] "Betyg %(ratingAverage)s av 1 recensent"
+msgstr[1] "Betyg %(ratingAverage)s av %(ratingCount)s recensenter"
 
 #: src/amo/pages/Addon/index.js:291
 msgid "About this dictionary"