Expose refined for swift performance statistics properties (#2912)

New properties in `CumulativeRenderingStatistics` are missing from our
public API on iOS(Android exposes generated bindings).

Discovered when exposing performance statistics for Flutter
https://mapbox.atlassian.net/browse/MAPSFLT-298.

cc @mapbox/maps-ios

GitOrigin-RevId: d5cbea6402d49d3881bd54dbe87c21dd3ef1aa0d

Author: evil159

Sources/MapboxMaps/Foundation/PerformanceStatisticsOptions.swift

@@ -58,4 +58,13 @@ extension CumulativeRenderingStatistics {
     /// The amount of vertex memory (array and index buffer memory) in use at the end of the collection window.
     /// - Note: This value is nil for Metal renderer.
     public var vertexBytes: UInt? { __vertexBytes?.uintValue }
+
+    /// The number of graphics pipeline programs created.
+    public var graphicsPrograms: UInt? { __graphicsPrograms?.uintValue }
+
+    /// The total amount of time spent on all graphics pipeline program creation, in milliseconds.
+    public var graphicsProgramsCreationTimeMillis: Double? { __graphicsProgramsCreationTimeMillis?.doubleValue }
+
+    /// The number of FBO(framebuffer object) switches.
+    public var fboSwitchCount: UInt? { __fboSwitchCount?.uintValue }
 }