fix the behavior for immutable graphs in methods related to isomorphisms in sage/graphs/generic_graph.py
#39296
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…hs/generic_graph.py`
Following sagemath#39280, sagemath#39285, sagemath#39287, sagemath#39296 and discussions in sagemath#39177, we
add parameter immutable to methods in `sage/graphs/generic_graph.py`:
- `longest_cycle`
- `longest_path`
- `hamiltonian_path`
- and add tests in `cycle_basis`
### 📝 Checklist
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### ⌛ Dependencies
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URL: sagemath#39297
Reported by: David Coudert
Reviewer(s): Kwankyu Lee
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Following #39280 and discussions in #39177, we add parameter
immutableto methods related to graph isomorphisms insage/graphs/generic_graph.pyandbliss.pyx:canonical_formautomorphism_groupis_isomorphicgraph_isom_equivalent_non_edge_labeled_graphcayley_graphWe also fix the behavior of method
canonical_labelinBipartiteGraph.📝 Checklist
⌛ Dependencies