build-commit: different workdir

Author: andrewrk

.github/workflows/build-commit.zig

@@ -157,7 +157,7 @@ pub fn main() !void {
     const now = std.time.timestamp();
 
     const zig_dir = try std.fs.cwd().openDir("../zig", .{ .iterate = true });
-    const work_dir = try std.fs.cwd().openDir("../..", .{});
+    const work_dir = try std.fs.cwd().openDir("..", .{});
     const bootstrap_dir = try work_dir.openDir("zig-bootstrap", .{ .iterate = true });
     const www_dir = try std.fs.cwd().makeOpenPath(www_prefix, .{});
     const builds_dir = try www_dir.makeOpenPath("builds", .{ .iterate = true });