prevent excessive polling

[kvhnuke]

currently web3 will poll eth_getTransactionReceipt every second after sending a tx. This PR will increase it to every 30 seconds to decrease unnecessary polling

Devop

• Updated CHANGELOG.md
• Add PR label

[codecov]

Codecov Report

Merging #266 into develop will decrease coverage by 0.07%.
The diff coverage is 0%.

@@             Coverage Diff             @@
##           develop     #266      +/-   ##
===========================================
- Coverage    18.09%   18.02%   -0.08%     
===========================================
  Files          340      341       +1     
  Lines         4663     4683      +20     
  Branches       616      619       +3     
===========================================
  Hits           844      844              
- Misses        3520     3537      +17     
- Partials       299      302       +3

Impacted Files	Coverage Δ
src/wallets/web3-provider/web3Calls.js	0% <ø> (ø)	⬆️
...lets/web3-provider/providers/etherscan-provider.js	0% <0%> (ø)	⬆️
.../wallets/web3-provider/providers/given-provider.js	0% <0%> (ø)	⬆️
src/wallets/web3-provider/methods/index.js	0% <0%> (ø)	⬆️
src/wallets/web3-provider/providers/ws-provider.js	0% <0%> (ø)	⬆️
...c/wallets/web3-provider/providers/http-provider.js	0% <0%> (ø)	⬆️
...llets/web3-provider/methods/eth_sendTransaction.js	0% <0%> (ø)	⬆️
...web3-provider/methods/eth_getTransactionReceipt.js	0% <0%> (ø)

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