chore(deps): zig 0.12.0 -> 0.13.0 (#67)

Signed-off-by: Rui Chen <rui@chenrui.dev>
Co-authored-by: jiacai2050 <dev@liujiacai.net>

.github/CODEOWNERS

@@ -0,0 +1 @@
+*    @jiacai2050

.github/workflows/ci.yml

@@ -23,7 +23,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest, macos-latest]
-        zig: [0.12.0, master]
+        zig: [0.13.0, master]
     steps:
       - uses: actions/checkout@v4
       - uses: goto-bus-stop/setup-zig@v2

book-src/intro.md

@@ -7,7 +7,7 @@
 
 [Zig cookbook](https://github.com/zigcc/zig-cookbook) is a collection of simple Zig programs that demonstrate good practices to accomplish common programming tasks.
 
-> - Main branch tracks Zig 0.12.0 and master, and ensured on Linux and macOS via GitHub actions.
+> - Main branch tracks Zig 0.13.0 and master, and ensured on Linux and macOS via GitHub actions.
 > - Zig 0.11.0 support can be found in [here](https://github.com/zigcc/zig-cookbook/tree/0.11.0).
 
 # How to use

build.zig

@@ -10,7 +10,7 @@ pub fn build(b: *std.Build) !void {
 }
 
 fn addExample(b: *std.Build, run_all: *std.Build.Step) !void {
-    const is_latest_zig = builtin.zig_version.minor > 12;
+    const is_latest_zig = builtin.zig_version.minor > 13;
     const src_dir = try fs.cwd().openDir("src", .{ .iterate = true });
 
     const target = b.standardTargetOptions(.{});