v2.20.0

ModelingToolkitStandardLibrary v2.20.0

Diff since v2.19.1

Merged pull requests:

• Hydraulic Library Update (#352) (@bradcarman)
• Add NPN and PNP BJT transistor models (#353) (@jClugstor)
• CompatHelper: bump compat for DataInterpolations to 8 for package docs, (keep existing compat) (#375) (@github-actions[bot])
• Refactor thermal library to use macros (#377) (@matthew-kapp)
• Made PR#349 mergeable (#380) (@matthew-kapp)
• DOCS: Connect the clock in causal direction (#381) (@cstjean)
• RealOutputs for thermal sensors (#385) (@jbatteh)
• test: make test robust to numerical issues (#386) (@AayushSabharwal)
• docs: fix docs (#389) (@AayushSabharwal)

Closed issues:

• Thermal.FixedHeatFlow cannot actually model a fixed heat flow rate source (#234)