Update sphinx.po

Co-authored-by: Ardasak <76947524+Ardasak@users.noreply.github.com>

Author: Bengisuyarbas

sphinx.po

@@ -48,7 +48,7 @@ msgstr "gelişme aşamasında"
 
 #: tools/templates/dummy.html:14
 msgid "pre-release"
-msgstr "yayın öncesi"
+msgstr "önsürüm"
 
 #: tools/templates/dummy.html:15
 msgid "stable"