marshmallow: remove deprecation warning

[psaiz]

❤️ Thank you for your contribution!

Description

Remove deprecation warnings from marshmallow, like:

/opt/invenio/var/instance/python/lib/python3.9/site-packages/invenio_records_rest/schemas/json.py:14: DeprecationWarning: The '__version_info__' attribute is deprecated and will be removed in in a future version. Use feature detection or 'packaging.Version(importlib.metadata.version("marshmallow")).release' instead.
  from marshmallow import __version_info__ as marshmallow_version

/opt/invenio/var/instance/python/lib/python3.9/site-packages/invenio_records_rest/schemas/fields/generated.py:13: DeprecationWarning: The '__version_info__' attribute is deprecated and will be removed in in a future version. Use feature detection or 'packaging.Version(importlib.metadata.version("marshmallow")).release' instead.
  from marshmallow import __version_info__ as marshmallow_version