Upgrade to PHPStan v0.12

Additionally, set the new value and get the old one in one ini_set() call.

By either defining their types or renaming to match parent class (or
interface).

Allowing us to use more advanced checks and have full generic support.

This also adds a baseline file, since we have new violations being
reported but don't want to address them right now.

Actualize the content of the .gitattributes file

Removed performance tests

1. Removed no longer existing entries
2. Added new entries
3. Sorted using `sort` (ignores case and the leading dot, same as `ls`)

Ensure the constructor arguments are passed to custom classes

Deprecate the usage of the legacy platforms and drivers

Bump version to 2.11.0-DEV

Updated documentation for QueryBuilder::execute() return value type

Make sure that the $types array has the same keys $params

This will allow to omit parameters with unspecified types

Allow add previous exception in ConversionException

Update readme

Add missed end of comment

This branch seems to have been removed.

Use Docker consistently

They are no longer supported by their vendors, but until we do support
them, we should continue testing them.

It seems to be enabled by default.