fix(deps): update socket.io packages to ^4.7.3

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
socket.io	^4.7.2 -> ^4.7.3
socket.io-client	^4.7.2 -> ^4.7.3

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Release Notes

socketio/socket.io (socket.io)

v4.7.3

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Bug Fixes

• return the first response when broadcasting to a single socket (#​4878) (df8e70f)
• typings: allow to bind to a non-secure Http2Server (#​4853) (8c9ebc3)

Dependencies

• engine.io@~6.5.2 (no change)
• ws@~8.11.0 (no change)

socketio/socket.io-client (socket.io-client)

v4.7.3

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Bug Fixes

• improve compatibility with node16 module resolution (#​1595) (605de78)
• typings: accept string | undefined as init argument (5a3eafe)
• typings: fix the type of the socket#id attribute (f9c16f2)

Dependencies

• engine.io-client@~6.5.2 (no change)
• ws@~8.11.0 (no change)

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