Allow circles in SVG

Created by: felixfbecker

Used by the codecov sunburst graph

Created by: codecov[bot]

Codecov Report

Merging #10347 into master will increase coverage by 0.00%. The diff coverage is 100.00%.

@@           Coverage Diff           @@
##           master   #10347   +/-   ##
=======================================
  Coverage   44.03%   44.03%           
=======================================
  Files        1385     1385           
  Lines       76340    76341    +1     
  Branches     6914     6875   -39     
=======================================
+ Hits        33614    33615    +1     
  Misses      39579    39579           
  Partials     3147     3147           

Flag	Coverage Δ
#go	47.05% <ø> (ø)
#typescript	34.79% <100.00%> (+<0.01%)
#unit	44.03% <100.00%> (+<0.01%)

Impacted Files	Coverage Δ
shared/src/util/markdown.ts	75.86% <100.00%> (+0.86%)