[Snyk] Upgrade ethers from 4.0.33 to 4.0.49

[john-dot-oa]

This PR was automatically created by Snyk using the credentials of a real user.

Snyk has created this PR to upgrade ethers from 4.0.33 to 4.0.49.

ℹ️ Keep your dependencies up-to-date. This makes it easier to fix existing vulnerabilities and to more quickly identify and fix newly disclosed vulnerabilities when they affect your project.

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• The recommended version is 14 versions ahead of your current version.
• The recommended version was released 2 years ago, on 2021-07-20.

The recommended version fixes:

Severity	Issue	PriorityScore (*)	Exploit Maturity
	Cryptographic Issues SNYK-JS-ELLIPTIC-571484	492/1000 Why? Proof of Concept exploit, CVSS 7.7	Proof of Concept
	Timing Attack SNYK-JS-ELLIPTIC-511941	492/1000 Why? Proof of Concept exploit, CVSS 7.7	No Known Exploit
	Cryptographic Issues SNYK-JS-ELLIPTIC-1064899	492/1000 Why? Proof of Concept exploit, CVSS 7.7	No Known Exploit

(*) Note that the real score may have changed since the PR was raised.

Release notes

Package name: ethers

• 4.0.49 - 2021-07-20
  
  • Updated elliptic library. (#1439, #1782; 9e94c03)
• 4.0.48 - 2020-08-25
• 4.0.47 - 2020-04-22
• 4.0.46 - 2020-03-17
• 4.0.45 - 2020-02-16
• 4.0.44 - 2020-01-30
• 4.0.43 - 2020-01-11
• 4.0.42 - 2020-01-04
• 4.0.41 - 2019-12-21
• 4.0.40 - 2019-11-24
• 4.0.39 - 2019-10-30
• 4.0.38 - 2019-10-17
• 4.0.37 - 2019-09-08
• 4.0.36 - 2019-08-23
• 4.0.33 - 2019-07-10

from ethers GitHub release notes

Commit messages

Package name: ethers

• bd5e39e Updated changelog.
• 9e94c03 Updated elliptic library (#1439, #1782).
• 278b388 Added publishConfig to specify dist-tag.
• 106f8a2 Updated changelog.
• f79c965 Bumped elliptic version for security updates.
• 427e168 Updated dist files.
• fab14f8 Fixed typo in error message (#778).
• e8c89d7 Allow receive type in ABI without warning (#746).
• b1c6575 Updated dist files.
• 3b7176f Fixed typo in error (#722).
• 5f7ddcd Fix EtherscanProvider from throwing outside async context (#729).
• 4c9d740 Updated dist files.
• a930047 Added default API key for EtherscanProvider.
• 4e41871 Fixed typo in arguments name for waitForTransaction (#477).
• 9947acc Partial support for non-English mnemonics for encrypted JSON wallets (#685).
• 748f896 Updated expected balance in test cases.
• 2987925 Updated dist files.
• 0589b31 Fix backwards compatibility with certain parsed JSON objects passed into Interface and Contracts (#721).
• df51b26 Updated ENS registry address for all networks.
• b288ad9 Updated dist files.
• 6da5c53 Fixed Contract and Interface constructor abi paramter type; should be a Fragment not a ParamType (#602).
• 26d3271 Add missing chainId to transaction responses (#700).
• 12da075 Updated dist files.
• bd066b8 Fix resolveName when name is an address with an invalid checksum (#694).

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