fix: build on windows with zig 0.14.1

closes #112

Author: zenith391

src/backends/win32/backend.zig

@@ -1 +1 @@
-zig-cache/
+.zig-cache/

vendor/zigwin32/.gitignore

@@ -1,7 +1,8 @@
+const builtin = @import("builtin");
 const std = @import("std");
 
 pub fn build(b: *std.Build) void {
-    _ = b.addModule("zigwin32", .{
-        .source_file = .{ .path = "win32.zig" },
+    _ = b.addModule("win32", .{
+        .root_source_file = b.path("win32.zig"),
     });
 }

vendor/zigwin32/build.zig

@@ -0,0 +1,14 @@
+.{
+    .name = "zigwin32",
+    .version = "25.0.28-preview",
+    .minimum_zig_version = "0.12.0",
+    .paths = .{
+        "build.zig",
+        "LICENSE",
+        "README.md",
+        "zig.mod",
+        "build.zig.zon",
+        "win32",
+        "win32.zig",
+    },
+}

vendor/zigwin32/build.zig.zon

@@ -9,7 +9,6 @@ pub const globalization = @import("win32/globalization.zig");
 pub const graphics = @import("win32/graphics.zig");
 pub const management = @import("win32/management.zig");
 pub const media = @import("win32/media.zig");
-pub const missing = @import("win32/missing.zig");
 pub const network_management = @import("win32/network_management.zig");
 pub const networking = @import("win32/networking.zig");
 pub const security = @import("win32/security.zig");