py-astroid: updated to 2.9.2

What's New in astroid 2.9.2?
============================
Release date: 2022-01-04

* Fixed regression in ``astroid.scoped_nodes`` where ``_is_metaclass``
  was not accessible anymore.

What's New in astroid 2.9.1?
============================
Release date: 2021-12-31

* ``NodeNG.frame()`` and ``NodeNG.statement()`` will start raising ``ParentMissingError``
  instead of ``AttributeError`` in astroid 3.0. This behaviour can already be triggered
  by passing ``future=True`` to a ``frame()`` or ``statement()`` call.

* Prefer the module loader get_source() method in AstroidBuilder's
  module_build() when possible to avoid assumptions about source
  code being available on a filesystem.  Otherwise the source cannot
  be found and application behavior changes when running within an
  embedded hermetic interpreter environment (pyoxidizer, etc.).

* Require Python 3.6.2 to use astroid.

* Removed custom ``distutils`` handling for resolving paths to submodules.

* Fix ``deque.insert()`` signature in ``collections`` brain.

* Fix ``Module`` nodes not having a ``col_offset``, ``end_lineno``, and ``end_col_offset``
  attributes.

* Fix typing and update explanation for ``Arguments.args`` being ``None``.

* Fix crash if a variable named ``type`` is subscripted in a generator expression.

* Enable inference of dataclass import from marshmallow_dataclass.
  This allows the dataclasses brain to recognize dataclasses annotated by marshmallow_dataclass.

* Resolve symlinks in the import path
  Fixes inference error when the import path includes symlinks (e.g. Python
  installed on macOS via Homebrew).

(adam)