Update philn's emails in contributors.json

https://bugs.webkit.org/show_bug.cgi?id=240799

Patch by Philippe Normand <philn@igalia.com> on 2022-05-23
Unreviewed.

* metadata/contributors.json: Update philn's emails and expertise.

Canonical link: https://commits.webkit.org/250868@main
git-svn-id: https://svn.webkit.org/repository/webkit/trunk@294644 268f45cc-cd09-0410-ab3c-d52691b4dbfc

metadata/contributors.json

@@ -5522,11 +5522,11 @@
    },
    {
       "emails" : [
+         "philn@igalia.com",
          "pnormand@igalia.com",
-         "philn@webkit.org",
-         "philn@igalia.com"
+         "philn@webkit.org"
       ],
-      "expertise" : "WebKitGTK, WPE, Media support (focused on the GStreamer implementation)",
+      "expertise" : "WebKitGTK, WPE, Media support (focused on the GStreamer implementation), Flatpak SDK",
       "github" : "philn",
       "name" : "Philippe Normand",
       "nicks" : [