Update version and webpage to reference 0.13.2 (#354)

Author: mattnite

build.zig.zon

@@ -1,6 +1,6 @@
 .{
     .name = "microzig",
-    .version = "0.13.1",
+    .version = "0.13.2",
     .minimum_zig_version = "0.13.0",
     .dependencies = .{
         .@"build-internals" = .{ .path = "build-internals" },

website/content/index.smd

@@ -23,7 +23,7 @@ Assuming you've initialized a zig project with `zig init`, or have set one up
 yourself, you can add microzig as a dependency with the following command:
 
 ```sh
-zig fetch --save=microzig https://microzig.tech/downloads/microzig/0.13.1/microzig.tar.gz
+zig fetch --save=microzig https://microzig.tech/downloads/microzig/0.13.2/microzig.tar.gz
 ```
 
 Then in your `build.zig`: