[Snyk] Upgrade @openzeppelin/contracts from 4.9.3 to 4.9.6

[EijuArai]

Snyk has created this PR to upgrade @openzeppelin/contracts from 4.9.3 to 4.9.6.

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 3 versions ahead of your current version.

• The recommended version was released on 7 months ago.

Issues fixed by the recommended upgrade:

	Issue	Score	Exploit Maturity
	Out-of-bounds Read SNYK-JS-OPENZEPPELINCONTRACTS-6346765	65	No Known Exploit

Release notes

Package name: @openzeppelin/contracts

• 4.9.6 - 2024-02-29
  
  • Base64: Fix issue where dirty memory located just after the input buffer is affecting the result. (#4929)
• 4.9.5 - 2023-12-08
  
  • Multicall: Make aware of non-canonical context (i.e. msg.sender is not _msgSender()), allowing compatibility with ERC2771Context. Patch duplicated Address.functionDelegateCall in v4.9.4 (removed).
• 4.9.4 - 2023-12-07
  
  • ERC2771Context and Context: Introduce a _contextPrefixLength() getter, used to trim extra information appended to msg.data.
  • Multicall: Make aware of non-canonical context (i.e. msg.sender is not _msgSender()), allowing compatibility with ERC2771Context.
• 4.9.3 - 2023-07-28
  

  Note
  This release contains a fix for GHSA-g4vp-m682-qqmp.

  • ERC2771Context: Return the forwarder address whenever the msg.data of a call originating from a trusted forwarder is not long enough to contain the request signer address (i.e. msg.data.length is less than 20 bytes), as specified by ERC-2771. (#4481)
  • ERC2771Context: Prevent revert in _msgData() when a call originating from a trusted forwarder is not long enough to contain the request signer address (i.e. msg.data.length is less than 20 bytes). Return the full calldata in that case. (#4484)

from @openzeppelin/contracts GitHub release notes

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• Check the changes in this PR to ensure they won't cause issues with your project.
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