Update CODEOWNERS (#2601)

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Closes #

## Introduced changes

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-

## Checklist

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- [x] Linked relevant issue
- [x] Updated relevant documentation
- [x] Added relevant tests
- [x] Performed self-review of the code
- [x] Added changes to `CHANGELOG.md`

.github/CODEOWNERS

@@ -1 +1 @@
-* @ksew1 @integraledelebesgue @cptartur @ddoktorski
+* @cptartur @ddoktorski @kkawula @franciszekjob