chore(deps): update cxx.rs digest to 94e8e46 (#3237)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

MODULE.bazel

@@ -64,7 +64,7 @@ bazel_dep(name = "rules_rust", version = "0.57.1")
 bazel_dep(name = "cxx.rs", version = "1.0.136")
 git_override(
     module_name = "cxx.rs",
-    commit = "fb8fdc0b20ddca8df80f6638bc773dc4824a8092",
+    commit = "94e8e46066b560fb9dc8964f047f68d066786916",
     remote = "https://github.com/dtolnay/cxx.git",
 )