feat(api): bump Dear ImGui from 1.89.0 to 1.90.9

imgui-binding/src/generated/java/imgui/flag/ImGuiComboFlags.java

@@ -62,6 +62,13 @@ public final class ImGuiComboFlags {
      */
     public static final int NoPreview = 64;
 
+    /**
+     * Width dynamically calculated from preview contents
+     *
+     * <p>Definition: {@code 1 << 7}
+     */
+    public static final int WidthFitPreview = 128;
+
     /**
      * Definition: {@code ImGuiComboFlags_HeightSmall | ImGuiComboFlags_HeightRegular | ImGuiComboFlags_HeightLarge | ImGuiComboFlags_HeightLargest}
      */