v1.12.0

ModelingToolkitStandardLibrary v1.12.0

Diff since v1.11.0

Closed issues:

• Parallel RLC Circuit (#147)

Merged pull requests:

• Digital: Adds Logic and defines 9 logic levels, StdULogicVector, and StdLogicVector (#144) (@ven-k)
• add TimeVaryingFunction source block (#145) (@baggepinnen)
• refactor: :Success -> ReturnCode.Success (#149) (@ven-k)
• Various doc and style improvements (#150) (@ArnoStrouwen)
• fix Td definition in LimPID (#152) (@baggepinnen)
• Redefine models with @component (#153) (@ven-k)
• Fix arguments in docstrings for HeatTransfer components (#154) (@baggepinnen)
• enable dependabot for GitHub actions (#155) (@ranocha)
• Bump codecov/codecov-action from 1 to 3 (#156) (@dependabot[bot])
• Bump actions/checkout from 1 to 3 (#157) (@dependabot[bot])
• Bump actions/cache from 1 to 3 (#158) (@dependabot[bot])
• Hydraulic library (#159) (@bradcarman)