fix: update to latest patched rules_rust with WASI constraint system

- Update to commit 54f0df94dccdd34fa35a22adfb7b4626e85d99b4 with WASI fixes
- Add custom WASI version constraints to distinguish preview versions
- Platform selection fix is being addressed upstream in rules_rust

References: avrabe/rules_rust#1

Author: avrabe

MODULE.bazel

@@ -9,10 +9,10 @@ module(
 # Dependencies for WebAssembly tooling
 bazel_dep(name = "rules_rust", version = "0.62.0")
 
-# Git override to use rules_rust fork with wasm32-wasip2 support
+# Git override to use rules_rust fork with wasm32-wasip2 support  
 git_override(
     module_name = "rules_rust",
-    commit = "2389792cfac37da28033e2bca8b712a3c6d961e2",
+    commit = "54f0df94dccdd34fa35a22adfb7b4626e85d99b4",  # Commit with WASI constraint system fixes
     remote = "https://github.com/avrabe/rules_rust.git",
 )
 

platforms/BUILD.bazel

@@ -1,10 +1,30 @@
 """Platform definitions for WASM targets"""
 
+# Custom WASI version constraints to distinguish between preview versions
+constraint_setting(
+    name = "wasi_version",
+    default_constraint_value = ":wasi_preview_1",
+    visibility = ["//visibility:public"],
+)
+
+constraint_value(
+    name = "wasi_preview_1",
+    constraint_setting = ":wasi_version", 
+    visibility = ["//visibility:public"],
+)
+
+constraint_value(
+    name = "wasi_preview_2",
+    constraint_setting = ":wasi_version",
+    visibility = ["//visibility:public"],
+)
+
 platform(
     name = "wasm32-wasi",
     constraint_values = [
         "@platforms//cpu:wasm32",
         "@platforms//os:wasi",
+        ":wasi_preview_1",
     ],
     visibility = ["//visibility:public"],
 )
@@ -23,6 +43,7 @@ platform(
     constraint_values = [
         "@platforms//cpu:wasm32",
         "@platforms//os:wasi",
+        ":wasi_preview_1",
     ],
     visibility = ["//visibility:public"],
 )
@@ -31,7 +52,8 @@ platform(
     name = "wasm32-wasip2",
     constraint_values = [
         "@platforms//cpu:wasm32",
-        "@platforms//os:wasi",
+        "@platforms//os:wasi", 
+        ":wasi_preview_2",
     ],
     visibility = ["//visibility:public"],
 )