Update write.as to Onion v3 address (#2388)

Announcement: https://discuss.write.as/t/tor-onion-service-moved/3188

Author: xPMo

_includes/sections/productivity-tools.html

@@ -38,7 +38,7 @@ <h1 id="productivity" class="anchor"><a href="#productivity"><i class="fas fa-li
   website="https://write.as/"
   privacy-policy="https://write.as/privacy"
   forum="https://forum.privacytools.io/t/discussion-write-as-productivity-tools/1539"
-  tor="http://writeas7pm7rcdqg.onion"
+  tor="http://writeasw4b635r4o3vec6mu45s47ohfyro5vayzx2zjwod4pjswyovyd.onion"
   git="https://code.as/writeas"
   web="https://write.as/pad"
   windows="https://github.com/writeas/writeas-cli"