LIVE-1944 Update Polkadot dependencies

[ghost]

Context (issues, jira)

https://ledgerhq.atlassian.net/browse/LIVE-1944

Description / Usage

Update Polkadot packages from 7.8.1 to 8.0.2

Expectations

• Test coverage: The changes of this PR are covered by test. Unit test were added with mocks when depending on a backend/device.
• No impact: The changes of this PR have ZERO impact on the userland. Meaning, we can use these changes without modifying LLD/LLM at all. It will be a "noop" and the maintainers will be able to bump it without changing anything.

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Name	Status	Preview	Updated
ledger-live-common	❌ Failed (Inspect)		Apr 19, 2022 at 0:32AM (UTC)

[codecov]

Codecov Report

Merging #1898 (98c14c6) into develop (87ffc67) will increase coverage by 3.12%.
The diff coverage is 75.00%.

❗ Current head 98c14c6 differs from pull request most recent head 7311373. Consider uploading reports for the commit 7311373 to get more accurate results

@@             Coverage Diff             @@
##           develop    #1898      +/-   ##
===========================================
+ Coverage    56.31%   59.44%   +3.12%     
===========================================
  Files          450      510      +60     
  Lines        20531    21104     +573     
  Branches      5267     5686     +419     
===========================================
+ Hits         11563    12545     +982     
+ Misses        8941     8538     -403     
+ Partials        27       21       -6     

Impacted Files	Coverage Δ
src/families/bitcoin/wallet-btc/storage/index.ts	63.63% <60.00%> (-10.75%)	⬇️
src/families/bitcoin/js-synchronisation.ts	88.57% <100.00%> (-6.29%)	⬇️
src/families/bitcoin/wallet-btc/explorer/index.ts	82.73% <100.00%> (-5.76%)	⬇️
src/families/crypto_org/api/sdk.ts	16.85% <0.00%> (-78.66%)	⬇️
src/families/celo/hw-app-celo.ts	3.38% <0.00%> (-77.97%)	⬇️
src/families/bitcoin/js-signOperation.ts	21.53% <0.00%> (-75.39%)	⬇️
src/families/bitcoin/networks.ts	5.88% <0.00%> (-74.51%)	⬇️
src/families/celo/js-getFeesForTransaction.ts	26.66% <0.00%> (-73.34%)	⬇️
src/hw/signTransaction/ripple.ts	27.27% <0.00%> (-72.73%)	⬇️
src/families/celo/js-buildTransaction.ts	27.27% <0.00%> (-72.73%)	⬇️
... and 360 more

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