feat: add dataURLOptions parameter control canvas image format and quality (#967)

* feat: record add dataURLOptions parameter control canvas image format and quality

* 解决 build failed

* Update docs/recipes/canvas.md

* Apply formatting changes

* Update canvas-manager.ts

Fix the error caused when I resolved the merge conflict

Co-authored-by: Justin Halsall <Juice10@users.noreply.github.com>
Co-authored-by: Yun Feng <yun.feng@anu.edu.au>
Co-authored-by: Mark-Fenng <Mark-Fenng@users.noreply.github.com>
Co-authored-by: Yun Feng <yun.feng0817@gmail.com>

docs/recipes/canvas.md

@@ -21,6 +21,11 @@ rrweb.record({
   sampling: {
     canvas: 15,
   },
+  // optional image format settings
+  dataURLOptions: {
+    type: 'image/webp',
+    quality: 0.6,
+  },
 });
 ```