gh-37038: Add minimal_normal_subgroups and maximal_normal_subgroups functions for permutation groups
- Added the function
This patch implements a minimal_normal_subgroups function in
PermutationGroup_generic class.
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NA
URL: https://github.com/sagemath/sage/pull/37038
Reported by: Ruchit Jagodara
Reviewer(s): Ruchit Jagodara, Travis Scrimshaw
