Update maxTextureDimesion3D to match spec. (#4530)

See: https://gpuweb.github.io/gpuweb/#dom-supported-limits-maxtexturedimension3d
and: https://github.com/gpuweb/gpuweb/blob/33fd347160db60f7bbaf195e90dc4b838242ee04/proposals/compatibility-mode.md?plain=1#L187

Author: greggman

src/webgpu/capability_info.ts

@@ -739,7 +739,7 @@ const [kLimitInfoKeys, kLimitInfoDefaults, kLimitInfoData] =
                                                [  'maximum',          ,                ,     kMaxUnsignedLongValue] as const, {
   'maxTextureDimension1D':                     [           ,      8192,            4096,                          ],
   'maxTextureDimension2D':                     [           ,      8192,            4096,                          ],
-  'maxTextureDimension3D':                     [           ,      2048,            1024,                          ],
+  'maxTextureDimension3D':                     [           ,      2048,            2048,                          ],
   'maxTextureArrayLayers':                     [           ,       256,             256,                          ],
 
   'maxBindGroups':                             [           ,         4,               4,                          ],