fickit/rsync: increase overall security

fickit-frontend.yml

@@ -164,7 +164,9 @@ services:
         - /var/lib/fic/submissions
         - /var/lib/fic/teams
   - name: sshd
-    image: nemunaire/rsync:416df0e1fe1562d5d1c63461dacd1267b47a4f05
+    image: nemunaire/rsync:ca312b09a5048c165cf727660b7755f001d17650
+    capabilities:
+      - all
     binds:
       - /etc/hosts:/etc/hosts:ro
       - /root/.ssh/id_synchro.pub:/root/.ssh/authorized_keys:ro
@@ -174,9 +176,6 @@ services:
       - /var/lib/fic/submissions:/srv/submissions
       - /var/lib/fic/teams:/srv/TEAMS
     net: /run/netns/sshd
-    pid: new
-    ipc: new
-    uts: new
     runtime:
       mkdir:
         - /var/lib/fic/files