MAINTAINERS: Update intel_vpu maintainer list

Slawek moved to another project and Maciej will be replacing him.

Reviewed-by: Stanislaw Gruszka <stanislaw.gruszka@linux.intel.com>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Reviewed-by: Jeffrey Hugo <quic_jhugo@quicinc.com>
Signed-off-by: Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250114084436.1326127-1-jacek.lawrynowicz@linux.intel.com