Add `author` filter to `Beaker.job.list()` (#279) #1002

Job	Run time
Compatibility	21s
Docker	19s
Pydantic V1	19s
ubuntu-latest - python 3.8 - Lint	20s
ubuntu-latest - python 3.8 - Type check	24s
ubuntu-latest - python 3.8 - Unit tests	49s
ubuntu-latest - python 3.8 - Doc tests	1m 28s
ubuntu-latest - python 3.8 - Doc tests (B)	1m 35s
ubuntu-latest - python 3.8 - Images	41s
ubuntu-latest - python 3.8 - Jobs	29s
ubuntu-latest - python 3.8 - Experiments	42s
ubuntu-latest - python 3.8 - Datasets	51s
ubuntu-latest - python 3.8 - Sweep example	1m 0s
ubuntu-latest - python 3.8 - Build	20s
ubuntu-latest - python 3.8 - Style	19s
ubuntu-latest - python 3.8 - Docs	28s
Release	0s
	10m 25s

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