build: bump version number to 13.5.2 #2700

Job	Run time
validation / GitHub context	3s
validation / Dependency info	5s
validation / Configuration files	6s
validation / Build coatjava	2m 22s
validation / Event generation (e_p)	1m 9s
validation / Event generation (e_g)	1m 14s
validation / Event generation (e_pC)	1m 7s
validation / Event generation (e_n)	1m 19s
validation / Event generation (e_gFT)	1m 3s
validation / Event generation (eFT_K)	1m 32s
validation / Run (e_n, rgb_fall2019)	4m 49s
validation / Run (e_g, rgb_fall2019)	3m 55s
validation / Run (eFT_K, rgb_fall2019)	4m 52s
validation / Run (e_p, rgb_fall2019)	4m 47s
validation / Run (e_pC, rgb_fall2019)	4m 1s
validation / Run (e_gFT, rgb_fall2019)	4m 37s
validation / Report multiplicity	5s
validation / Report efficiency	6s
	37m 12s

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