Add GNOME Foundation to signatories

Author: marcprux

public/img/logos/gnome.org.png

@@ -186,12 +186,6 @@
   region: "CO"
   social-x: "https://x.com/Karisma"
   social-linkedin: "https://linkedin.com/company/fundacion-karisma"
-- organization: "Ghostery"
-  url: "ghostery.com"
-  poc: "Adam from Ghostery <adam@ghostery.com>"
-  region: "DE"
-  social-x: "https://x.com/Ghostery"
-  social-linkedin: "https://linkedin.com/company/ghostery"
 - organization: "F-Droid"
   url: "f-droid.org"
   poc: "board@f-droid.org"
@@ -218,6 +212,18 @@
   social-bluesky: "https://bsky.app/profile/fsfe.org"
   social-x: "https://x.com/fsfe"
   social-linkedin: "https://linkedin.com/company/fsfe"
+- organization: "Ghostery"
+  url: "ghostery.com"
+  poc: "Adam from Ghostery <adam@ghostery.com>"
+  region: "DE"
+  social-x: "https://x.com/Ghostery"
+  social-linkedin: "https://linkedin.com/company/ghostery"
+- organization: "GNOME Foundation"
+  url: "gnome.org"
+  poc: "Maria Majadas <mmajadas@gnome.org>"
+  region: "US"
+  social-mastodon: "https://floss.social/@gnome"
+  social-bluesky: "https://bsky.app/profile/gnome.org"
 - organization: "The Guardian Project"
   url: "guardianproject.info"
   poc: "Nathan Freitas <nathan@guardianproject.info>"