Update dependency jsonpickle to v3.4.2

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
jsonpickle	3.3.0 -> 3.4.2

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Release Notes

jsonpickle/jsonpickle (jsonpickle)

v3.4.2

Compare Source

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* The breaking changes from v4 were inadvertedly included in v3.4.1, which has
been yanked. This release remedies this by reverting the v4 changes.

v3.4.1

Compare Source

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* Support decoding pandas dataframes encoded with versions 3.3.0 and older. (+536)

v3.4.0

Compare Source

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* Officially support Python 3.12 in the GitHub Actions testing matrix, and update
GHA package versions used. (+524)
* Improve reproducibility of benchmarking commands on Linux by using taskset and
adding a "HOWTO" run benchmarks section in benchmarking/README.md. (+526)
* The setup.cfg packaging configuration has been replaced by
pyproject.toml. (+527)
* yaml is now supported as a jsonpickle backend. (+528)
* OSSFuzz <https://github.com/google/oss-fuzz>_ scripts are now available in
the fuzzing/ directory. (+525)
* Pure-python dtypes are now preserved across encode()/decode() roundtrips
for the pandas extension. (#​407) (+534)
* Pandas dataframe columns with an object dtype that contain multiple different
types within (e.g. a column of type list[Union[str, int]]) now preserve the types
upon being roundtripped. (#​457) (#​358) (+534)
* Fix warnings in the test suite regarding numpy.compat usage. (#​533) (+535)

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[coveralls]

coverage: 44.421%. remained the same
when pulling 11ef680 on renovate/jsonpickle-3.x
into 00c9242 on development.