Enhancement: Implement DataProvider\ObjectProvider

[localheinz]

This PR

• implements DataProvider\ObjectProvider

Follows #326.

[codecov]

Codecov Report

Merging #343 into main will not change coverage.
The diff coverage is 100.00%.

@@             Coverage Diff             @@
##                main      #343   +/-   ##
===========================================
  Coverage     100.00%   100.00%           
- Complexity        83        84    +1     
===========================================
  Files             10        11    +1     
  Lines            282       285    +3     
===========================================
+ Hits             282       285    +3     

Impacted Files	Coverage Δ	Complexity Δ
src/DataProvider/ObjectProvider.php	100.00% <100.00%> (ø)	1.00 <1.00> (?)

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