Add reactive power regulation columns to ratio tap changer dataframe.

[gautierbureau]

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[sonarqubecloud]

Quality Gate passed for 'pypowsybl-parent'

Issues
1 New issue
0 Accepted issues

Measures
0 Security Hotspots
40.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[sonarqubecloud]

Quality Gate passed for 'pypowsybl'

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud