Finish migration from `maxInterStageShaderComponents` to `maxInterStageShaderVariables` #8652

ErichDonGubler wants to merge 2 commits intogfx-rs:trunkgfx-rs/wgpu:trunkfrom

erichdongubler-mozilla:max-inter-stage-shader-variableserichdongubler-mozilla/wgpu:max-inter-stage-shader-variablesCopy head branch name to clipboard