Fixes #162: __sleep() & __wakeup() is deprecated in PHP 8.5

[marc-mabe]

No description provided.

[codecov-commenter]

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Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 98.78%. Comparing base (7159809) to head (88bfcf0).
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Additional details and impacted files

@@             Coverage Diff              @@
##             master     #163      +/-   ##
============================================
- Coverage     99.47%   98.78%   -0.69%     
- Complexity      224      226       +2     
============================================
  Files             4        4              
  Lines           574      578       +4     
============================================
  Hits            571      571              
- Misses            3        7       +4     

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[swissspidy]

Thank you! I think this looks good, IIUC PHP will call the serialize method instead of sleep if available, so that should address the 8.5 warning.