Update cwextab (#109)

Author: CelestialAmber

objdiff-gui/Cargo.toml

@@ -29,7 +29,7 @@ bytes = "1.7"
 cfg-if = "1.0"
 const_format = "0.2"
 cwdemangle = "1.0"
-cwextab = "0.2"
+cwextab = "0.3"
 dirs = "5.0"
 egui = "0.28"
 egui_extras = "0.28"