Stats release (v0.5.0)

[RLKRo]

• Dropped support for python 3.7, added support for python 3.11 (Python version changed #171)

• Added statistics module (Stats with Opentelemetry #141)

• Dropped support for pydantic 1, added support for pydantic 2 (pydantic2.0 #168)

• Fixed bug when labels would sometimes have a different length from requests and responses (Remove addition of label during context init #180)

• Removed arbitrary arguments from label and condition factories (Remove args, kwargs from condition and label handler factories #179)

• Removed normalize function from dff.scipt (Normalization functions removed #194)

• Added basic user guide (User guides #177)

• Various tutorial updates

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This discussion was created from the release Stats release.