AlgebraicJulia/Catlab.jl: v0.13.8

Catlab v0.13.8 Diff since v0.13.7 Merged pull requests: Initiality test for FinFunctors (#573) (@kris-brown) DOC: category of elements examples (#583) (@jpfairbanks) Benchmarks for paper (#588) (@olynch) Type inference can fail in FinSetIndexedLimit (#600) (@epatters) Loosen types for Graph to PropertyGraph constructors (#601) (@epatters) Loose acset homomorphism search (#603) (@kris-brown) Category of elements action on morphisms and inverse constructions (#604) (@kris-brown) Upgrade Convex.jl to v0.15 (#607) (@epatters) add hash method for diagram/diagram hom (#610) (@kris-brown) Replace half-baked function roottype with Base.typename (#611) (@epatters