Merge pull request 'Zig version adjusted.' (#50) from build_fix into main

Reviewed-on: https://codeberg.org/ziglings/exercises/pulls/50

README.md

@@ -96,7 +96,8 @@ that if you update one, you may need to also update the other.
 
 ### Version Changes
 
-Version-0.12.0-dev.2043
+Version-0.12.0-dev.2618
+* *2024-02-05* zig 0.12.0-dev.2618 - changes in `build system` - from `Step.zig_exe` to `Step.graph.zig_exe` - see[#18778](https://github.com/ziglang/zig/issues/18778)
 * *2024-01-05* zig 0.12.0-dev.2043 - rename of `std.Build.FileSource` to `std.Build.LazyPath` - see[#16353](https://github.com/ziglang/zig/issues/16353)
 * *2023-10-24* zig 0.12.0-dev.1243 - changes in `std.ChildProcess`: renamed exec to run - see[#5853](https://github.com/ziglang/zig/issues/5853)
 * *2023-06-26* zig 0.11.0-dev.4246 - changes in compile step (now it can be null)

build.zig

@@ -15,7 +15,7 @@ const print = std.debug.print;
 //     1) Getting Started
 //     2) Version Changes
 comptime {
-    const required_zig = "0.12.0-dev.2043";
+    const required_zig = "0.12.0-dev.2618";
     const current_zig = builtin.zig_version;
     const min_zig = std.SemanticVersion.parse(required_zig) catch unreachable;
     if (current_zig.order(min_zig) == .lt) {