feat: `SplitLogManager` for treewide logging control (#964) #2564

Job	Run time
validation / Dependency info	7s
validation / GitHub context	4s
validation / Configuration files	8s
validation / Build coatjava	2m 4s
validation / Event generation (e_p)	1m 10s
validation / Event generation (e_n)	1m 57s
validation / Event generation (e_pC)	1m 44s
validation / Event generation (eFT_K)	1m 2s
validation / Event generation (e_gFT)	1m 2s
validation / Event generation (e_g)	1m 5s
validation / Run (eFT_K, rgb_fall2019)	4m 22s
validation / Run (e_g, rgb_fall2019)	4m 1s
validation / Run (e_n, rgb_fall2019)	4m 28s
validation / Run (e_p, rgb_fall2019)	5m 11s
validation / Run (e_pC, rgb_fall2019)	3m 58s
validation / Run (e_gFT, rgb_fall2019)	5m 11s
validation / Report efficiency	5s
validation / Report multiplicity	5s
	37m 44s

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