Markdown reader: don't confuse a span after...

an author-in-text citation with a locator.  E.g. `@foo [test]{.bar}`.

See https://github.com/jgm/pandoc/issues/9080#issuecomment-3221689892.

src/Text/Pandoc/Readers/Markdown.hs

@@ -2227,7 +2227,7 @@ bareloc c = try $ do
   rest <- option (return []) $ try $ char ';' >> spnl >> citeList
   spnl
   char ']'
-  notFollowedBy $ oneOf "[("
+  notFollowedBy $ oneOf "[({"
   return $ do
     suff' <- suff
     rest' <- rest