Update postactiv repo and commit

src/freedombone-app-postactiv

 POSTACTIV_DOMAIN_NAME=
 POSTACTIV_CODE=
 POSTACTIV_ONION_PORT=8100
-POSTACTIV_REPO="https://git.postactiv.com/postActiv/postActiv.git"
-POSTACTIV_COMMIT='0531c469b44aab6a71230778ab4492eca889bb2c'
+POSTACTIV_REPO="http://gitea.postactiv.com/postActiv/postActiv.git"
+POSTACTIV_COMMIT='3c88992eeb'
 POSTACTIV_ADMIN_PASSWORD=
 
 POSTACTIV_BACKGROUND_IMAGE_URL=