Fix CI status badges
<td>Build Status</td>
<td>
<a href="https://github.com/bokeh/bokeh/actions">
- <img src="https://github.com/bokeh/bokeh/workflows/GitHub-CI/badge.svg?branch=master"
+ <img src="https://github.com/bokeh/bokeh/workflows/Bokeh-CI/badge.svg?branch=master"
+ alt="Current github actions build status" />
+ </a>
+ <a href="https://github.com/bokeh/bokeh/actions">
+ <img src="https://github.com/bokeh/bokeh/workflows/BokehJS-CI/badge.svg?branch=master"
alt="Current github actions build status" />
</a>
</td>
