[Etherpad] Bump to 1.8.3

pica-etherpad/Dockerfile

@@ -5,7 +5,7 @@ ENV NODE_ENV=production
 
 FROM base as downloader
 
-ARG ETHERPAD_VERSION_BUILD=1.8.0
+ARG ETHERPAD_VERSION_BUILD=1.8.3
 ARG ETHERPAD_PLUGINS="\
   ep_align ep_author_hover ep_chatdate ep_colibris_full_width \
   ep_comments_page ep_countable ep_delete_empty_pads ep_font_color \

pica-etherpad/docker-compose.yml

@@ -11,7 +11,7 @@ networks:
 
 services:
   etherpad-app:
-    image: registry.picasoft.net/pica-etherpad:1.8.0
+    image: registry.picasoft.net/pica-etherpad:1.8.3
     container_name: etherpad-app
     depends_on:
       - etherpad-db