Cargo.lock: bump dependencies (#2217)

This is mostly to clear the security audit around `cmov`.

Updates the following dependencies:

    $ cargo update
    Updating crates.io index
     Locking 4 packages to latest Rust 1.85 compatible versions
    Updating cmov v0.5.1 -> v0.5.2
    Updating proc-macro2 v1.0.103 -> v1.0.106
    Updating quote v1.0.42 -> v1.0.43
    Updating syn v2.0.111 -> v2.0.114

Author: tarcieri