Small cleanups and typo fixes.

Returning values for event callbacks is deprecated.

Ensure validation process works as expected after adding multiple
rules using Validator::add(). Refs #18367

When a primary key exists on a string column type without a default,
sqlite will return that primary key in index_info(). When we get that
primary key, we don't need to scan the columns.

This improves efficency and fixes regressions that would occur in
migrations.

Refs #18340

Cleanup psalm config files.

Fix reflection of primary keys

Update validator tests.

…er (#18377)

* fix: removeOption() does not clear _shortOptions in ConsoleOptionParser

#18375

* Add test case.

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Co-authored-by: Shohei Nakajima <[email protected]>

Make the default fixture strategy controlled by Configure.

* Fix up PHPUnit deprecation handling.
* Fix up deprecation.
* Remove not needed attribute.
* Fix more deprecations.
* Fix CS.
* Allow configuration of error level.