* ansible-test - Avoid use of deprecated type hints.
PEP 585 deprecated many container types in the `typing` module in favor of the actual types, which support subscripting as of Python 3.9.
Conversion of `t.Type` was skipped since PyCharm does not currently recognize it.
* ansible-test - Fix `t` and `c` imports/shadowing.
* Simple regex replace of multi-line function arg annotations.
* Simple regex replace of multi-line function arg annotations with default values.
* Simple regex replace of multi-line function arg return annotations.
* Simple regex replace of assignment annotations.
* ansible-test - Use more native type hints.
Simple search and replace to switch from comments to native type hints for return types of functions with no arguments.
* ansible-test - Use more native type hints.
Conversion of simple single-line function annotation type comments to native type hints.
* ansible-test - Use more native type hints.
Conversion of single-line function annotation type comments with default values to native type hints.
* ansible-test - Use more native type hints.
Manual conversion of type annotation comments for functions which have pylint directives.
The `a/` and `b/` prefixes can be disabled in the `git diff` output by setting
`diff.noprefix` to `true`. The output is still a valid diff, but `ansible-test` would
raise an exception since without the prefixes, it thought the diff line was invalid.
