subgroups: rename to subgroup{Min|Max}Size

Following the update to the subgroups proposal upstream at W3C,
rename subgroups properties:
  minSubgroupSize -> subgroupMinSize
  maxSubgroupSize -> subgroupMaxSize

Bug: 354751907
Change-Id: If945cb412715c345dbbfae6e7747790a7124b465
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/217995
Commit-Queue: David Neto <dneto@google.com>
Auto-Submit: David Neto <dneto@google.com>
Reviewed-by: dan sinclair <dsinclair@chromium.org>
Commit-Queue: dan sinclair <dsinclair@chromium.org>
Reviewed-by: Alan Baker <alanbaker@google.com>

src/dawn/dawn.json

diff --git a/src/dawn/dawn.json b/src/dawn/dawn.json
index d8f9f17..b77c24a 100644
--- a/src/dawn/dawn.json
+++ b/src/dawn/dawn.json
@@ -1815,8 +1815,8 @@
         "chained": "out",
         "chain roots": ["adapter info"],
         "members": [
-            {"name": "min subgroup size", "type": "uint32_t", "default": "WGPU_LIMIT_U32_UNDEFINED"},
-            {"name": "max subgroup size", "type": "uint32_t", "default": "WGPU_LIMIT_U32_UNDEFINED"}
+            {"name": "subgroup min size", "type": "uint32_t", "default": "WGPU_LIMIT_U32_UNDEFINED"},
+            {"name": "subgroup max size", "type": "uint32_t", "default": "WGPU_LIMIT_U32_UNDEFINED"}
         ]
     },
     "dawn experimental subgroup limits": {