Patch to pybind11 to avoid issue with concat in modernjson (#144) #362

Job	Run time
Test on stable (Debug)	10m 21s
Indepth Tests (Debug, all libraries)	19m 26s
Test on stable (Release)	10m 42s
Indepth Tests (Debug, no libraries)	16m 30s
Test and Deploy on latest (Debug)	20m 15s
Indepth Tests (Release, all libraries)	19m 39s
Test and Deploy on latest (Release)	21m 2s
Indepth Tests (Release, no libraries)	15m 52s
Email notification	2s
	2h 13m 49s

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