build: remove MSVC from Windows Bazel build actions

tools/windows-toolchain/BUILD.bazel

@@ -0,0 +1,12 @@
+load("@rules_cc//cc:cc_test.bzl", "cc_test")
+
+cc_test(
+    name = "stack-protector-probe",
+    srcs = ["stack_protector_probe.c"],
+    copts = ["-fstack-protector-all"],
+    tags = ["manual"],
+    target_compatible_with = [
+        "@platforms//os:windows",
+        "@rules_rs//rs/experimental/platforms/constraints:windows_gnullvm",
+    ],
+)

tools/windows-toolchain/stack_protector_probe.c

@@ -0,0 +1,11 @@
+#if !defined(_WIN32)
+#error "this probe must be compiled for Windows"
+#endif
+
+__attribute__((noinline)) static int protected_value(int value) {
+  volatile char buffer[32] = {0};
+  buffer[0] = (char)value;
+  return buffer[0];
+}
+
+int main(void) { return protected_value(7) == 7 ? 0 : 1; }