Update dependency PyMySQL to v1.2.0

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
PyMySQL (changelog)	==1.1.3 → ==1.2.0

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Release Notes

PyMySQL/PyMySQL (PyMySQL)

v1.2.0

Compare Source

Release date: 2026-05-19

Breaking changes

• Connection.ping() change the default to not reconnect and deprecate reconnect argument.
  Create a new connection if you want to reconnect. (#​1241)

• Error classes in Cursor class are removed. (#​1240)

• connect() arguments db and passwd now emit DeprecationWarning.
  Use database and password instead. (#​1240)

• Reorganize TLS connection behavior.

  • PyMySQL uses TLS by default when server supports it.
    Use ssl_disabled=True to prohibit SSL. (#​1213)

  • When ssl_verify_cert=True, ssl_verify_identity=True, an ssl.SSLContext is passed,
    or when any other SSL option is configured, the connection requires SSL and raises
    OperationalError (CR_SSL_CONNECTION_ERROR) if the server doesn't support it. (#​1234)

Other changes

• Support MySQL 8 row/column alias syntax in executemany INSERT regex. (#​1235)
• Expose SQLSTATE on MySQL protocol exceptions without changing exception formatting. (#​1236)
• Reject non-finite decimal.Decimal query parameters (NaN, sNaN, ±Infinity). (#​1237)
• Connection.set_charset(charset) now emits DeprecationWarning.

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