[Fix] Added isChild prop to 'ProgressBar'

[ianwilk20]

⭐ New Features:

• Added isChild prop to the 'ProgressBar' component since that is the only way to pass an aria-label

ℹ️ Related Issues:

n/a

📷 Screenshots:

[codecov]

Codecov Report

Merging #97 (d9b62dc) into master (10d5f55) will not change coverage.
The diff coverage is 100.00%.

@@            Coverage Diff            @@
##            master       #97   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files           48        48           
  Lines          402       403    +1     
  Branches       229       230    +1     
=========================================
+ Hits           402       403    +1     

Impacted Files	Coverage Δ
src/components/ProgressBar/ProgressBar.tsx	100.00% <100.00%> (ø)

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