update ci for windows to 0.13

Author: mitchellh

.github/workflows/test.yml

@@ -91,7 +91,7 @@ jobs:
     - name: Install zig
       uses: goto-bus-stop/setup-zig@v2
       with:
-        version: 0.12.0-dev.2058+04ac028a2
+        version: 0.13.0
 
     - name: test
       run: zig build test --summary all

flake.lock

@@ -2,7 +2,7 @@
   description = "libxev is a high performance, cross-platform event loop.";
 
   inputs = {
-    nixpkgs.url = "github:nixos/nixpkgs/release-23.05";
+    nixpkgs.url = "github:nixos/nixpkgs/release-24.05";
     nixpkgs-unstable.url = "github:nixos/nixpkgs/nixpkgs-unstable";
     flake-utils.url = "github:numtide/flake-utils";
     zig.url = "github:mitchellh/zig-overlay";