Pre-existing OCA without username

[Anthony Vanelverdinghe]

Hi

When opening a PR, I get the OCA-related comment from the bridgekeeper 
[1]. I have already signed the OCA [2], but had left the "Username" 
field blank at the time (since I didn't (& still don't) have an official 
OpenJDK username, and this was way before Skara).
Would you be so kind to mark my GitHub username as having signed the OCA 
please? Thanks in advance.

[1] https://github.com/openjdk/amber-docs/pull/5#issuecomment-674375321
[2] 
https://www.oracle.com/technical-resources/oracle-contributor-agreement.html#v

Kind regards,
Anthony