Upgrade for beancount3/beangulp fixes #135 #90

Job	Run time
Run tests and build distribution (3.8)	1m 7s
Run tests and build distribution (3.9)	1m 9s
Run tests and build distribution (3.10)	1m 11s
Run tests and build distribution (3.11)	1m 10s
Run tests and build distribution (3.12)	1m 23s
Build and optionally publish a distribution	6s
	6m 6s

Provide feedback