Add WebGPU support for canvas

[dalnoki]

Problem Statement

When replaying Canvas sessions using a WebGPU-enabled browser, the canvas appears blank. Currently, Canvas replay works as expected only when using WebGL.

Solution Brainstorm

No response

Product Area

Replays

[getsantry]

Routing to @getsentry/product-owners-replays for triage ⏲️

[getsantry]

Auto-routing to @getsentry/product-owners-replays for triage ⏲️

[bruno-garcia]

Support had to be added to the JS SDK

[mydea]

is this something we want to do, realistically? cc @chargome & @billyvg seems relatively high effort to me, but will defer to what you think.