refactor(derive): Clean up in prep for parent attributes

Really this is about consolidating the skip checks but it also provideda
chance to improve the e...

With how flexible clap's API is, it can be hard to determine what is
reasonable to use with its ...

They have no type

fix(derive): Report deprecations/errors in more cases

The builder function was deprecated in v3 and removed in v4 but the
derive masked that, so we're...

We had some guards but this generalizes them and puts them on every
attribute.

fix(derive): Replace clap attributes with command, arg, and value

refactor(derive): Prepare for builder attributes

This is more of a test bed for adding new attributes and deprecating
clap ones.

This reverts commit 521a012c281d9086475fe503817f11748ea1d705.

These will be going away, so we should tell the user.

This is mostly a test bed for our new dep...

This makes it better scale for the future

This will allow the attribute processing to change based on the kind

fix(derive): Remove helper for removed help_heading

value help comma

This allows easier testing, as the generated completion files can be
sourced directly.

feat(parser): Provide convenience accessors for Actions

I wanted to make `bool` a defaulted type parameter but
https://github.com/rust-lang/rust/issues/...

perf(derive): Remove redundant operations

chore: Update dependencies

fix(usage): Have spillover use TAB

This was missed in #4161

refactor(help): Reduce magic numbers for indentation

Sometimes errors would use a tab, sometimes four spaces. This makes it
always four spaces and s...

This will make it easier for help templates to be consistent with clap

fix(help): Remove name/version/author from help

This is to help shorten it and polish it by removing redundant
information.

This is a part of #...

fix(help): Clarify short vs long help

test(help): Verify how version interacts

In reviewing CLIs for #4132, I found some were providing helps on `-h`
vs `--help` and figured t...

refactor(derive): Be explicit in what is being parsed

fix(help): Always trim output

This ensures we don't end up with accidental leading or trailing
newlines due to help template v...

fix(help): Use Command in place of Subcommand

In switching to title case for help headings (#4123), it caused me to
look at "subcommand" in a ...

docs: Fix up for changing of help output

docs: Make transition easier

fix(usage): Make dont_collapse_args_in_usage the default

The setting was added to resolve #769. The reason it was optional is out
of concern for applica...

This was added in #165 but the relative value of this doesn't seem worth
the complexity at the m...

`last` must always follow a `--`, so it isn't optional.

fix(usage): Don't include irrelevant parent args

This was identified in https://github.com/clap-rs/clap/discussions/4134

fix(parser): Improve required error messages

This should drop code size