Merge pull request #16677 from HypnosNova/docs

Examples: Update d.ts for some optional params

examples/jsm/postprocessing/EffectComposer.d.ts

@@ -22,7 +22,7 @@ export class EffectComposer {
   addPass(pass: Pass): void;
   insertPass(pass: Pass, index: number): void;
   isLastEnabledPass(): boolean;
-  render(deltaTime: number): void;
+  render(deltaTime?: number): void;
   reset(renderTarget?: WebGLRenderTarget): void;
   setSize(width: number, height: number): void;
   setPixelRatio(pixelRatio: number): void;

examples/jsm/postprocessing/RenderPass.d.ts

@@ -8,7 +8,7 @@ import {
 import { Pass } from './Pass';
 
 export class RenderPass extends Pass {
-  constructor(scene: Scene, camera: Camera, overrideMaterial: Material, clearColor: Color, clearAlpha: number);
+  constructor(scene: Scene, camera: Camera, overrideMaterial?: Material, clearColor?: Color, clearAlpha?: number);
   scene: Scene;
   camera: Camera;
   overrideMaterial: Material;