Add ParserConfig.class_factory

[tefra]

Resolves #548

[codecov]

Codecov Report

Merging #549 (f61205f) into master (4eadb4a) will not change coverage.
The diff coverage is 100.00%.

@@            Coverage Diff            @@
##            master      #549   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files           93        93           
  Lines         7789      7799   +10     
  Branches      1341      1341           
=========================================
+ Hits          7789      7799   +10     

Impacted Files	Coverage Δ
...sdata/formats/dataclass/parsers/nodes/primitive.py	100.00% <ø> (ø)
xsdata/formats/dataclass/parsers/nodes/standard.py	100.00% <ø> (ø)
xsdata/formats/dataclass/parsers/nodes/wildcard.py	100.00% <ø> (ø)
xsdata/formats/dataclass/parsers/config.py	100.00% <100.00%> (ø)
xsdata/formats/dataclass/parsers/json.py	100.00% <100.00%> (ø)
xsdata/formats/dataclass/parsers/nodes/element.py	100.00% <100.00%> (ø)
xsdata/formats/dataclass/parsers/nodes/union.py	100.00% <100.00%> (ø)

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[sonarqubecloud]

Kudos, SonarCloud Quality Gate passed!

0 Bugs
0 Vulnerabilities
0 Security Hotspots
0 Code Smells

No Coverage information
0.0% Duplication