[data] Update spec info

Author: fetch-info bot

index.json

@@ -27208,7 +27208,7 @@
     ],
     "release": {
       "url": "https://www.w3.org/TR/webgpu/",
-      "status": "Candidate Recommendation Snapshot",
+      "status": "Candidate Recommendation Draft",
       "filename": "Overview.html"
     },
     "nightly": {
@@ -28130,7 +28130,7 @@
     ],
     "release": {
       "url": "https://www.w3.org/TR/WGSL/",
-      "status": "Candidate Recommendation Snapshot",
+      "status": "Candidate Recommendation Draft",
       "filename": "Overview.html"
     },
     "title": "WebGPU Shading Language",