Chrome 146 adds texture_and_sampler_let WGSL feature (#29469)

Document texture_and_sampler_let WGSL feature

Author: chrisdavidmills

api/WGSLLanguageFeatures.json

@@ -294,6 +294,43 @@
           }
         }
       },
+      "extension_texture_and_sampler_let": {
+        "__compat": {
+          "description": "`texture_and_sampler_let` extension",
+          "spec_url": "https://gpuweb.github.io/gpuweb/wgsl/#language_extension-texture_and_sampler_let",
+          "tags": [
+            "web-features:webgpu"
+          ],
+          "support": {
+            "chrome": {
+              "version_added": "146",
+              "partial_implementation": true,
+              "notes": "Supported on ChromeOS, macOS, Windows, and Linux (Intel Gen12+ GPUs only)."
+            },
+            "chrome_android": "mirror",
+            "edge": "mirror",
+            "firefox": {
+              "version_added": false
+            },
+            "firefox_android": "mirror",
+            "oculus": "mirror",
+            "opera": "mirror",
+            "opera_android": "mirror",
+            "safari": {
+              "version_added": false
+            },
+            "safari_ios": "mirror",
+            "samsunginternet_android": "mirror",
+            "webview_android": "mirror",
+            "webview_ios": "mirror"
+          },
+          "status": {
+            "experimental": true,
+            "standard_track": true,
+            "deprecated": false
+          }
+        }
+      },
       "extension_uniform_buffer_standard_layout": {
         "__compat": {
           "description": "`uniform_buffer_standard_layout` extension",