perf: replace std.debug.assert with inlined version

See doc comment in `quirks.zig` for reasoning

src/cli/args.zig

@@ -1,6 +1,6 @@
 const std = @import("std");
 const mem = std.mem;
-const assert = std.debug.assert;
+const assert = @import("../quirks.zig").inlineAssert;
 const Allocator = mem.Allocator;
 const ArenaAllocator = std.heap.ArenaAllocator;
 const diags = @import("diagnostics.zig");