ModelingToolkitTearing-v1.18.0

ModelingToolkitTearing ModelingToolkitTearing-v1.18.0

Diff since ModelingToolkitTearing-v1.17.2

Merged pull requests:

• refactor: make simplification less dependent on hash ordering. (#122) (@AayushSabharwal)
• fix: limit length of equation sort keys (#123) (@AayushSabharwal)
• fix: partition matrix by connected components in structural_singularity_removal! (#124) (@AayushSabharwal)
• feat: add analytical_derivatives field to TearingState (#125) (@AayushSabharwal)