Remove short args for --to and --to_tokens because they conflict

[XAMPPRocky]

If you use either you currently get this error at runtime.

thread 'main' panicked at /home/ep/.cargo/registry/src/index.crates.io-6f17d22bba15001f/clap_builder-4.5.13/src/builder/debug_asserts.rs:112:17:
Command proxy: Short option names must be unique for each argument, but '-t' is in use by both 'to' and 'to_tokens'
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace

[quilkin-bot]

Build Succeeded 🥳

Build Id: e572d7f8-48e5-40b7-8adc-fd51f67f8322

The following development images have been built, and will exist for the next 30 days:

• us-docker.pkg.dev/quilkin/ci/quilkin:0.10.0-dev-a2a26a8

To build this version:

git fetch [email protected]:googleforgames/quilkin.git pull/1015/head:pr_1015 && git checkout pr_1015
cargo build