[3.12] gh-131045: [Enum] fix flag containment checks when using values (GH-131053)#131232

picnixz merged 3 commits intopython:3.12python/cpython:3.12from

picnixz:bp-312/17d06aeb5476099bc1acd89cd6f69e239e0f9350/enum-131045picnixz/cpython:bp-312/17d06aeb5476099bc1acd89cd6f69e239e0f9350/enum-131045Copy head branch name to clipboard