[3.14] gh-134451: Converted `asyncio.tools.CycleFoundException` from dataclass to a regular exception type. (GH-134513) (#134564)

gh-134451: Converted `asyncio.tools.CycleFoundException` from dataclass to a regular exception type. (GH-134513)
(cherry picked from commit f9324cb3cb4d9bb9f0aef2e48b8afa895bde4b0d)

Co-authored-by: Evgeny Demchenko <v1mpire@icloud.com>