core,desktop: Update `wgpu` to `v0.20.1`, bump `egui` #23543

Job	Run time
Paths filter	7s
Test Node.js 20 / ubuntu-22.04	5m 8s
Test Node.js 20 / windows-latest	11m 44s
Test Node.js ${{ matrix.node_version }} / ${{ matrix.os }}	0s
Test Node.js 22 / ubuntu-22.04	5m 28s
Test Node.js 22 / windows-latest	8m 39s
	31m 6s

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