fix(ui): table th font-weight

[evenchange4]

Issue:

What I did

How to test

[evenchange4]

Deploy preview for mcslite ready!

Built with commit 4676a8ba3278a8b915786e5267242a93895705c1

https://deploy-preview-612--mcslite.netlify.com

[evenchange4]

Deploy preview for mcs-lite-introduction ready!

Built with commit 4676a8ba3278a8b915786e5267242a93895705c1

https://deploy-preview-612--mcs-lite-introduction.netlify.com

[evenchange4]

Deploy preview for mcs-lite-ui ready!

Built with commit 4676a8ba3278a8b915786e5267242a93895705c1

https://deploy-preview-612--mcs-lite-ui.netlify.com

[codecov[bot]]

Codecov Report

Merging #612 into master will not change coverage. The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #612   +/-   ##
=======================================
  Coverage   83.76%   83.76%           
=======================================
  Files         326      326           
  Lines        2691     2691           
  Branches      174      174           
=======================================
  Hits         2254     2254           
  Misses        372      372           
  Partials       65       65

Impacted Files	Coverage Δ
packages/mcs-lite-ui/src/Table/Table.js	100% <ø> (ø)	:arrow_up:

---

Continue to review full report at Codecov.

Legend - Click here to learn more Δ = absolute <relative> (impact), ø = not affected, ? = missing data Powered by Codecov. Last update 6550673...4676a8b. Read the comment docs.