MAINTAINERS: add Daniel Almeida as Rust reviewer

MAINTAINERS: add Daniel Almeida as Rust reviewer

Daniel has been involved with the Rust for Linux project for more than
three years now. He is the lead of the Tyr driver for Arm Mali GPUs
[1] and submitted many of the core abstractions that drivers need: the
`irq` module, system resources, `IoMem`, the regulator API, the `bits`
module, the basic USB abstractions... He is also working on the initial
Rust V4L2 support [2].

He is already a maintainer and reviewer of several Rust-related entries,
and he has been very active reviewing Rust code in the mailing list.

His experience building Rust drivers and the APIs they require will be
very useful to have around in the future. Thus add him to the `RUST`
entry as reviewer.

Link: https://rust-for-linux.com/tyr-gpu-driver
Link: https://lore.kernel.org/rust-for-linux/20250818-v4l2-v1-0-6887e772aac2@collabora.com/
Acked-by: Daniel Almeida <daniel.almeida@collabora.com>
Acked-by: Gary Guo <gary@garyguo.net>
Link: https://patch.msgid.link/20260611055538.61425-1-ojeda@kernel.org
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>