Fix publication errors for `@patternfly/react-charts`

[jonkoops]

Fixes the publication issues outlined by publint and some others, namely:

• Add an explicit type field of module to the package.
• Replace main, module and types fields with the more modern exports, which restricts the importable API surface.
• Fix a misformatted URL in the repository field.
• Remove sideEffects field that did not match any files.
• Remove patternfly:src field, which seems to have no purpose.

Works towards closing #10833

[patternfly-build]

Preview: https://patternfly-react-pr-11042.surge.sh

A11y report: https://patternfly-react-pr-11042-a11y.surge.sh

[jonkoops]

Putting this in as a draft as it seems the documenation tooling will need an update to make it compatible.

[github-actions[bot]]

This PR has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs.

[github-actions[bot]]

This PR has been closed because it has not had activity since being marked as stale.