MAINTAINERS: BPF: Add self as reviewer

Add myself as a reviewer for the BPF areas where I've been active.

Signed-off-by: Ihor Solodrai <ihor.solodrai@linux.dev>
Reviewed-by: Emil Tsalapatis <emil@etsalapatis.com>
Link: https://lore.kernel.org/bpf/20260721172104.3689982-1-ihor.solodrai@linux.dev
Signed-off-by: Kumar Kartikeya Dwivedi <memxor@gmail.com>