Update deps, rust version and fix lints

[chris-zen]

No description provided.

[chris-zen]

@Boddlnagg @xtqqczze this should modernise the project a bit and remove the undefined behaviour from EventList and PacketList.

[xtqqczze]

$ cargo clippy --all-targets --all-features --workspace
    Checking coremidi v0.9.0
warning: called `Iterator::last` on a `DoubleEndedIterator`; this will needlessly iterate the entire iterator
  --> examples/receive.rs:39:13
   |
39 | /             path.split(std::path::MAIN_SEPARATOR)
40 | |                 .last()
   | |__________________-----^
   |                    |
   |                    help: try: `next_back()`
   |
   = help: for further information visit https://rust-lang.github.io/rust-clippy/rust-1.93.0/index.html#double_ended_iterator_last
   = note: `#[warn(clippy::double_ended_iterator_last)]` on by default

warning: called `Iterator::last` on a `DoubleEndedIterator`; this will needlessly iterate the entire iterator
  --> examples/send.rs:39:13
   |
39 | /             path.split(std::path::MAIN_SEPARATOR)
40 | |                 .last()
   | |__________________-----^
   |                    |
   |                    help: try: `next_back()`
   |
   = help: for further information visit https://rust-lang.github.io/rust-clippy/rust-1.93.0/index.html#double_ended_iterator_last
   = note: `#[warn(clippy::double_ended_iterator_last)]` on by default

[xtqqczze]

Update CI to run cargo clippy --workspace --all-targets --all-features -- -D warnings

coremidi/.github/workflows/test.yaml

Line 28 in 0be214b

run: cargo clippy -- -D warnings

[chris-zen]

Update CI to run cargo clippy --workspace --all-targets --all-features -- -D warnings

coremidi/.github/workflows/test.yaml

Line 28 in 0be214b

run: cargo clippy -- -D warnings

Is that really necessary? Currently I have cargo clippy --all-targets -- -D warnings, because this is not a workspace and there are no features.

[xtqqczze]

Is that really necessary?

Including the extra flags here is mostly about future-proofing the CI. --all-targets is the important change.

[xtqqczze]

fixed some ptr constness issues: 85e9d5f