Update dependency loguru to v0.5.3

[renovate]

This PR contains the following updates:

Package	Update	Change
loguru (changelog)	patch	==0.5.1 -> ==0.5.3

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Release Notes

Delgan/loguru

v0.5.3

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• Fix child process possibly hanging at exit while combining enqueue=True with third party library like uwsgi (#&#8203;309 <https://github.com/Delgan/loguru/issues/309>, thanks @dstlmrk <https://github.com/dstlmrk>).
• Fix possible exception during formatting of non-string messages (#&#8203;331 <https://github.com/Delgan/loguru/issues/331>_).

v0.5.2

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• Fix AttributeError within handlers using serialize=True when calling logger.exception() outside of the context of an exception (#&#8203;296 <https://github.com/Delgan/loguru/issues/296>_).
• Fix error while logging an exception containing a non-picklable value to a handler with enqueue=True (#&#8203;298 <https://github.com/Delgan/loguru/issues/298>_).
• Add support for async callable classes (with __call__ method) used as sinks (#&#8203;294 <https://github.com/Delgan/loguru/pull/294>, thanks @jessekrubin <https://github.com/jessekrubin>).

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