fix: zig update build errors

src/terminal.zig

@@ -62,19 +62,18 @@ pub fn write(buf: []const u8) !usize {
     return try posix.write(posix.STDIN_FILENO, buf);
 }
 
-fn contextWrite(context: @This(), data: []const u8) anyerror!usize {
+fn contextWrite(context: *const anyopaque, data: []const u8) anyerror!usize {
     _ = context;
     return try posix.write(posix.STDOUT_FILENO, data);
 }
 
-const Writer = std.io.Writer(
-    @This(),
-    anyerror,
-    contextWrite,
-);
+const Writer = std.io.AnyWriter;
 
 pub fn writer() Writer {
-    return .{ .context = .{} };
+    return .{
+        .context = &.{},
+        .writeFn = contextWrite,
+    };
 }
 
 pub fn setCursorPosition(pos: Point) !void {