v9.70.0

ModelingToolkit v9.70.0

Diff since v9.69.0

Merged pull requests:

• feat: throw error when differentiating registered function with no derivative in structural_simplify (#3419) (@AayushSabharwal)
• feat: allow toggling namespacing independently of complete (#3497) (@AayushSabharwal)
• Fix depwarn due to wrapping Vararg directly in UnionAll (#3506) (@SebastianM-C)
• Improve consistency and add parameter dependencies to system printing (#3510) (@hersle)
• build: bump minor version (#3520) (@AayushSabharwal)

Closed issues:

• no method matching hasmetadata in tearing (#3370)
• Substituting a constant = 1 seems to mutate variable type of certain types of parameters (#3487)