ja/EmbeddedObjects: update format for next commit

The format was already post-2.3.x.

lib/doc/ja/EmbeddedObjects.lyx

@@ -1,5 +1,5 @@
 #LyX 2.4 created this file. For more info see https://www.lyx.org/
-\lyxformat 574
+\lyxformat 589
 \begin_document
 \begin_header
 \save_transient_properties false
@@ -188,7 +188,9 @@ ruby
 \font_default_family default
 \use_non_tex_fonts false
 \font_sc false
-\font_osf false
+\font_roman_osf false
+\font_sans_osf false
+\font_typewriter_osf false
 \font_sf_scale 100 100
 \font_tt_scale 100 100
 \use_microtype false
@@ -237,6 +239,7 @@ ruby
 \justification true
 \use_refstyle 0
 \use_minted 0
+\use_lineno 0
 \notefontcolor #0000ff
 \index 索引
 \shortcut idx