ci: run tests against node 12 and 14

[faustbrian]

No description provided.

[codecov]

Codecov Report

Merging #2111 into 3.0-react will not change coverage.
The diff coverage is 100.00%.

@@             Coverage Diff              @@
##           3.0-react     #2111    +/-   ##
============================================
  Coverage     100.00%   100.00%            
============================================
  Files             45        73    +28     
  Lines            298       526   +228     
  Branches          49        91    +42     
============================================
+ Hits             298       526   +228     

Impacted Files	Coverage Δ
src/app/components/Alert/Alert.tsx	100.00% <ø> (ø)
src/app/components/Dropdown/Dropdown.tsx	100.00% <ø> (ø)
src/app/components/Form/FormLabel.tsx	100.00% <ø> (ø)
src/app/components/Select/Select.tsx	100.00% <ø> (ø)
...app/components/SideBar/SideBarItem/SideBarItem.tsx	100.00% <ø> (ø)
...ings/pages/Settings/available-settings/General.tsx	100.00% <ø> (ø)
...s/wallets/components/MnemonicList/MnemonicList.tsx	100.00% <ø> (ø)
...ins/wallets/components/SignMessage/SignMessage.tsx	100.00% <ø> (ø)
...omains/wallets/pages/ImportWallet/ImportWallet.tsx	100.00% <ø> (ø)
src/app/components/Address/Address.tsx	100.00% <100.00%> (ø)
... and 65 more

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