Add Eric Giffon to the list of mantainers

Summary

The following individuals are requesting access to this project (one per line) (Please include the username and email)

• eric.giffon, eric.giffon@sonarsource.com

The access level should be:

• Developer access
• Remove access

Does the member need access to the VAT? (https://vat.dso.mil/vat)

• Yes
• No

Iron Bank Tasks

• All accounts have been provided the necessary accesses to the projects
• All accounts have been provided the necessary accesses to the VAT (optional)

Please read the Iron Bank Documentation for more info