Adds support for specifying callables' categories in WorkQueue executor (#2226)
Adds support for specifying callables' categories in WorkQueue executor (#2226)

Before callables when submitted to WorkQueue (WQ) executor are categorized using their name attribute. Now callables can explicitly set their categories before submitted to WQ.

Fixes https://github.com/cooperative-computing-lab/cctools/issues/2813


Co-authored-by: Yadu Nand Babuji <d4d52b73e992a1e02c7e71afc690d71169073308@gmail.com>
Co-authored-by: Ben Clifford <6e9c823d93e7dad5e7e2198704c60762764c20c1@hawaga.org.uk>
Parsl/parsl,Parsl/parsl,Parsl/parsl,Parsl/parsl