🔥 Remove orjson

[aleksul]

Change Summary

Remove orjson in favor of standard library json.

Checklist

• Unit tests for the changes exist
• Tests pass on CI and coverage remains at 100%
• Documentation reflects the changes where applicable
• My PR is ready to review

[codecov]

Codecov Report

Merging #92 (4033b62) into main (41e7618) will not change coverage.
The diff coverage is 100.00%.

@@            Coverage Diff            @@
##              main       #92   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files           43        43           
  Lines         1676      1669    -7     
=========================================
- Hits          1676      1669    -7     

Impacted Files	Coverage Δ
repid/_processor.py	100.00% <100.00%> (ø)
repid/connections/rabbitmq/consumer.py	100.00% <100.00%> (ø)
repid/connections/rabbitmq/message_broker.py	100.00% <100.00%> (ø)
repid/converter.py	100.00% <100.00%> (ø)
repid/data/_buckets.py	100.00% <100.00%> (ø)
repid/data/_parameters.py	100.00% <100.00%> (ø)
repid/job.py	100.00% <100.00%> (ø)
repid/serializer.py	100.00% <100.00%> (ø)
repid/utils.py	100.00% <100.00%> (ø)

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