Update dependency mysql-connector-python to ^9.4.0

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
mysql-connector-python (changelog)	^9.1.0 -> ^9.4.0

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Release Notes

mysql/mysql-connector-python (mysql-connector-python)

v9.4.0

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• WL#16966: Upgrade Python lz4 version
• WL#16963: Update the OpenTelemetry version
• WL#16962: Update the Python Protobuf version
• WL#16954: Make sdist packages pip installable
• BUG#38072835: Authentication OCI plugin option parameters not being supported by the aio connector
• BUG#37868219: RPM packages have incorrect copyright year in their metadata
• BUG#37859771: mysql/connector python version 9.3.0 has a regression which cannot persist binary data with percent signs in it
• BUG#37820231: Text based django ORM filters doesn't work with Connector/Python
• BUG#37806057: Rename extra option (when installing wheel package) to install webauthn functionality dependencies
• BUG#37774513: Inconsistent conversion to_sql for cext vs pure python
• BUG#37642447: The license type is missing from RPM package
• BUG#37627508: mysql/connector python fetchmany() has an off by one bug when argument given as 1
• BUG#37047789: Python connector does not support Django enum
• BUG#36733242: Contribution: Add Connection Pooling Support for AsyncIO Connector
• BUG#36452514: Missing version info resources
• BUG#34950958: MySQL Python Connector doesn't work with ssh in the same process
• BUG#34844347: Freezes on connection via sshtunnel

v9.3.0

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• WL#16754: The host wildcard no longer applies to localhost
• WL#16752: Deprecate class methods to access instance data or to know instance internal state
• WL#16327: Remove Cursors Prepared Raw and Named Tuple
• BUG#37541353: (Contribution) Fix typing annotation of MySQLConnectionAbstract's close function
• BUG#37453587: Github links in PyPI project's pages do not work
• BUG#37418436: Arbitrary File Read in MySQL Python Client library
• BUG#37410052: Bad formatting of exceptions when connecting with Unix sockets
• BUG#37399636: The C-extension has a memory leak when working with prepared statements
• BUG#37275524: Exception is not interpreted properly on prepared statements when C extension is in use
• BUG#36098290: mysql-connector-python is distributed without setup.py or pyproject.toml

v9.2.0

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• WL#16381: Add support for read and write timeouts
• WL#16285: Remake Multi Statement Execution
• BUG#37145655: MySQL Connector/Python Configuration Files RCE
• BUG#36702939: connection_cext has a memory leak in the python mysql-connector
• BUG#36922645: Option connection_timeout is overwritten and works as "query" timeout instead
• BUG#36126909: "Unread result found" exception/bad MySQLCursor.statement when query text contains code comments
• BUG#35810050: Executing multiple statements fails when importing Sakila

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[taurus-forever]

@paulomach you to merge once ready.