gh-38344: Support ECM 7.0.6
Two breaking changes:
- The `-I` option has been removed https://gitlab.inria.fr/zimmerma/ecm/
-/commit/df9dd6fc43852868455a390aed5c8ab4974ee2a1
- Factoring 1 now throws an error https://gitlab.inria.fr/zimmerma/ecm/-
/commit/7c29926c3902c34bbccde21eb9d02624dc991dfc
URL: https://github.com/sagemath/sage/pull/38344
Reported by: Antonio Rojas
Reviewer(s): Gonzalo Tornaría, Matthias Köppe
