Update @blacklight447-ptio's profile. (#1689)

This adds the fact that i have become editor in chief, and adds my name.

Co-authored-by: Jonah Aragon <jonah@triplebit.net>

pages/about.html

@@ -51,9 +51,9 @@ blog="jonah"
 
 {% include team.html
 avatar="blacklight447.png"
-name="blacklight447"
+name="Niek de Wilde"
 bio="I research new privacy recommendations and moderate our communities. My expertise is endpoint security and networking."
-role="Community Manager"
+role="Editor-in-chief"
 email="mailto:blacklight447@privacytools.io"
 mastodon="https://social.privacytools.io/@blacklight447"
 %}