v7.0.0

ModelingToolkit v7.0.0

Diff since v6.7.1

Closed issues:

• Jacobian order (#1303)
• Failure of a tutorial example due to the missing name keyword (#1326)

Merged pull requests:

• switch LightGraphs to Graphs (#1306) (@isaacsas)
• [WIP] Update Symbolics and SymbolicUtils version (#1318) (@0x0f0f0f)
• Refactor Alias Elimination some more (#1324) (@Keno)
• Corrected the name vs @named problem in the tutorial (#1327) (@hurak)
• Replace open coded tarjan algorithm by Graphs.jl version (#1328) (@Keno)
• Propagate state names to DiscreteProblem (#1331) (@baggepinnen)
• fix docstring (#1332) (@baggepinnen)
• Add some documentation of the internals (#1333) (@baggepinnen)
• remove redundant value and scalarize calls (#1334) (@isaacsas)
• reduce all_dimensionless allocations (#1336) (@isaacsas)