Update to Zig 0.17.0 (#1028)

Now compiles!
(Tested with Zig 0.17.0-dev.2375+d8aab4878)

## What are the changes about?

Updates dependencies & code for Zig 0.17.0 compatibility.

## What existing issue(s) does this resolve?

N/A

## Pre-requisites

- [x] I have tested & confirmed the changes work locally
- [x] I have read and fully adhere to the rules set in the contributing guidelines found in `CONTRIBUTING.md`

Reviewed-on: https://codeberg.org/fairyglade/ly/pulls/1028

build.zig

@@ -123,7 +123,7 @@ pub fn build(b: *std.Build) !void {
 
     const run_cmd = b.addRunArtifact(exe);
     run_cmd.step.dependOn(b.getInstallStep());
-    if (b.args) |args| run_cmd.addArgs(args);
+    run_cmd.addPassthruArgs();
 
     const run_step = b.step("run", "Run the app");
     run_step.dependOn(&run_cmd.step);
@@ -188,7 +188,7 @@ fn getVersionStr(b: *std.Build, name: []const u8, version: std.SemanticVersion)
     const git_describe_raw = b.runAllowFail(&[_][]const u8{
         "git",
         "-C",
-        b.build_root.path orelse ".",
+        try b.root.toString(b.allocator),
         "describe",
         "--match",
         "*.*.*",