mdbx: allows to use cursors binded with the same DBI, but different ro-txns, in the API with multiple cursors in a parameters (v0.14.2-224-g8f756694).

2026-06-21 mdbx: update ChangeLog.
2026-06-21 mdbx: allows to use cursors binded with the same DBI, but different ro-txns, in the API with multiple cursors in a parameters.
2026-06-21 mdbx: allowing distribute cursors from different ro-txns but for the same table.
2026-06-21 mdbx: apply suggested fixes from Copilot Autofix.