[ExecuTorch][WebGPU] Dynamic resize hooks for add and mul #9723

Job	Run time
test-vulkan / test-backend-linux (vulkan, operators) / linux-job	21m 53s
test-vulkan / test-backend-linux (vulkan, models) / linux-job	20m 32s
test-vulkan / test-backend-macos	0s
test-vulkan / package-golden-artifacts	3m 31s
	45m 56s

Provide feedback