fixup! feat(dx12,vulkan): make GPU-based validation opt-in with new `…

…InstanceFlags::GPU_BASED_VALIDATION`

CHANGELOG.md

@@ -69,9 +69,9 @@ Wgpu now exposes backend feature for the Direct3D 12 (`dx12`) and Metal (`metal`
 - wgpu and wgpu-core features are now documented on docs.rs. By @wumpf in [#4886](https://github.com/gfx-rs/wgpu/pull/4886)
 - DeviceLostClosure is guaranteed to be invoked exactly once. By @bradwerth in [#4862](https://github.com/gfx-rs/wgpu/pull/4862)
 - Added `InstanceFlags::GPU_BASED_VALIDATION`, which enables GPU-based validation for shaders. This is currently only supported on the DX12 and Vulkan back ends; other platforms ignore this flag, for now.
-  - This has been added to the set of flags set by `InstanceFlags::debugging`.
-    If you notice your graphics workloads running more slowly, this may be the
-    culprit.
+  - This has been added to the set of flags set by `InstanceFlags::debugging`
+    and `InstanceFlags::from_build_config`. If you notice your graphics
+    workloads running more slowly, this may be the culprit.
   - As with other instance flags, this flag can be changed in calls to
     `InstanceFlags::with_env` with the new `WGPU_GPU_BASED_VALIDATION`
     environment variable.