Upgrade frontend-build to v12

[BilalQamar95]

Ticket:
42: Upgrade eslint to v8.x

What changed?

• Updated frontend-build to v12 (Eslint was updated in frontend-build version resulting in it's version being bumped to v12. This PR updates frontend-build to reciprocate eslint version update)
• Resolved eslint issues post update

[codecov]

Codecov Report

Base: 70.27% // Head: 81.25% // Increases project coverage by +10.97% 🎉

Coverage data is based on head (2c74317) compared to base (8183143).
Patch has no changes to coverable lines.

Additional details and impacted files

@@             Coverage Diff             @@
##           master     #228       +/-   ##
===========================================
+ Coverage   70.27%   81.25%   +10.97%     
===========================================
  Files           4        4               
  Lines          37       32        -5     
  Branches        5        4        -1     
===========================================
  Hits           26       26               
+ Misses         11        6        -5     

Impacted Files	Coverage Δ
src/components/Footer.jsx	76.19% <ø> (+14.65%)	⬆️

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[arbrandes]

Looks good to me! +1

[arbrandes]

@BilalQamar95, is this still valid? If so, we need to resolve the package-lock conflict.

[BilalQamar95]

@BilalQamar95, is this still valid? If so, we need to resolve the package-lock conflict.

@arbrandes Yes this is still valid, I have resolved the package-lock conflict