React 19: Legacy Context using contextTypes and getChildContext has been removed

[tlabaj]

Describe the enhancement or change
Legacy Context using contextTypes and getChildContext has been removed Legacy Context using contextTypes and getChildContext has been removed see doc here

This should e updated in our repo. There is use of it here: https://github.com/patternfly/patternfly-react/blob/71bbb9a8a576bc617a050d62f4c91c04701bd6be/packages/react-table/src/test-helpers/MockedTableChanges.js

Please verify there is no use elsewhere in the repo.