Update dependency structlog to v26

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
structlog (changelog)	==25.* → ==26.*

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Release Notes

hynek/structlog (structlog)

v26.1.0

Compare Source

Removed

• Python 3.8 and 3.9 support.

Deprecated

• Support for better-exceptions is deprecated and will be removed within a year.
  Use our Rich integration or copy-paste the one line of code you need.
  #​802

Added

• Python 3.15 support.
  #​813

• structlog.dev.rich_monochrome_traceback for Rich-based monochrome exception rendering and add support for it throughout structlog.dev.ConsoleRenderer when the user asks for no colors.
  #​794

• structlog.BytesLogger now has a name attribute which allows you to use it with the structlog.stdlib.add_logger_name() processor without using the standard library integration.
  #​786

• structlog.processors.CallsiteParameterAdder now supports CallsiteParameter.QUAL_MODULE that adds the qualified import name of the module of the callsite, or __main__ if the module is the entry point.
  This is only available for structlog-originated events since the standard library has no equivalent (except for the convention of setting the logger's name to __name__).
  #​812

• structlog.stdlib.BoundLogger now has is_enabled_for() and get_effective_level() methods that are snake_case aliases for its isEnabledFor() and getEffectiveLevel() methods.
  This makes it more compatible with the native structlog.typing.FilteringBoundLogger, so you can swap configurations without changing your call sites.
  #​818

Changed

• structlog.dev.ConsoleRenderer does not warn anymore when the exception key has a rendered value despite having a fancy formatter configured.
  #​790

Fixed

• structlog.BytesLogger, structlog.PrintLogger, and structlog.WriteLogger now hold weak references to the files they use for output.
  This prevents their leakage in long-running processes that open many logfiles, such as task executors that create a per-task BytesLogger or WriteLogger.
  #​807

• structlog.WriteLogger is usable after unpickling.
  #​787

• structlog.processors.CallsiteParameterAdder now reports the calling thread's id and name for async log methods, instead of the thread from the executor pool that runs the underlying sync logger.
  #​710
  #​805

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