Implement multi-yaxis support #1336

Job	Run time
Run pre-commit hooks	16s
UI tests on ubuntu-latest with Python 3.9	2m 6s
Pytest on 3.8, Bokeh 2, ubuntu-latest	30m 49s
Pytest on 3.8, Bokeh 3, ubuntu-latest	39m 3s
Pytest on 3.11, Bokeh 2, ubuntu-latest	33m 31s
Pytest on 3.11, Bokeh 3, ubuntu-latest	28m 51s
Pytest on 3.8, Bokeh 2, macos-latest	39m 9s
Pytest on 3.8, Bokeh 3, macos-latest	40m 39s
Pytest on 3.11, Bokeh 2, macos-latest	51m 45s
Pytest on 3.11, Bokeh 3, macos-latest	42m 20s
Pytest on 3.8, Bokeh 2, windows-latest	46m 22s
Pytest on 3.8, Bokeh 3, windows-latest	1h 4m 15s
Pytest on 3.11, Bokeh 2, windows-latest	56m 11s
Pytest on 3.11, Bokeh 3, windows-latest	51m 53s
	8h 47m 10s

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