switch to c3s' vendor raylib 5.5

TODO

@@ -20,6 +20,14 @@ to maintain focus until mouse release (fix scroll bars)
 [x] Fix scroll wheel when div is scrolled
 [ ] Be consistent with the initialization methods some are foo.new() and some are foo.init()
 [ ] Implement image loading (.bmp, .ff, .qoi and .png), in the future even lossy images like .jpg
+    [x] .qoi
+    [ ] .ff
+    [ ] .bmp
+    [ ] .png
+    [ ] .jpg
+[ ] gif support?
+[ ] layout_set_max_rows() and layout_set_max_columns()
+[ ] Maybe SDF sprites??
 
 ## Layout
 
@@ -65,3 +73,4 @@ _ border radius
 [ ] Text Input box
 [ ] Icon Buttons
 [ ] Switch
+[ ] Checkbox