chore(deps): update dependency autoprefixer to v10.4.20 #68

Job	Run time
Scan Sourcecode with Cppcheck	3m 35s
Build dpsimpy and tests examples on Fedora Linux	6m 57s
Build Cxx examples on Fedora Linux	11m 9s
Run pytest over all notebooks	13m 10s
Execute WSCC 9 bus example	1m 4s
Run dpsim-mqtt-import-export-MIMO VILLASnode example / Run a VILLASnode example across multiple containers	1m 14s
Run dpsim-mqtt VILLASnode example / Run a VILLASnode example across multiple containers	1m 35s
Run dpsim-mqtt-import-export VILLASnode example / Run a VILLASnode example across multiple containers	1m 36s
Run dpsim-file VILLASnode example / Run a VILLASnode example across multiple containers	1m 24s
Run mqtt-cigre-mv-pf-profiles VILLASnode example / Run a VILLASnode example across multiple containers	1m 43s
Compare Notebook results	9s
	43m 36s

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