Update dependency pymysql to v1.1.2

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
pymysql (changelog)	1.1.1 -> 1.1.2

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Release Notes

PyMySQL/PyMySQL (pymysql)

v1.1.2

Compare Source

Release date: 2025-08-24

• Prevent UnboundLocalError in very rare situation. #​1174
• Close underlying SocketIO soon when Connection is closed for PyPy. #​1183
• Fix importing PyMySQL fail on CPython 3.13 when getpass.getuser() raises OSEError. #​1190
• Make charset name "utf8" case insensitive. #​1195
• Connection.kill() uses KILL query instead of COM_KILLcommand to support MySQL 8.4. #​1197
• Fix SSL error on CPython 3.13 caused by strict TLS default setting. #​1198
• Fix auth switch request handling. #​1200

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