!31017 add scipy Q1 api doc to mindspore's doc

Merge pull request !31017 from zhuzhongrui/code_docs_scipy

docs/api/api_python/mindspore.scipy.rst

@@ -14,10 +14,14 @@ Linear algebra submodule.
     :template: classtemplate_inherited.rst
 
     mindspore.scipy.linalg.block_diag
+    mindspore.scipy.linalg.cho_factor
+    mindspore.scipy.linalg.cholesky
+    mindspore.scipy.linalg.cho_solve
     mindspore.scipy.linalg.eigh
     mindspore.scipy.linalg.inv
     mindspore.scipy.linalg.lu
     mindspore.scipy.linalg.lu_factor
+    mindspore.scipy.linalg.solve_triangular
 
 mindspore.scipy.optimize
 ------------------------