Update opencti/connector-email-intel-imap Docker tag to v6.6.13 (#4051)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

external-import/email-intel-imap/docker-compose.yml

@@ -1,7 +1,7 @@
 version: '3'
 services:
   email-intel-imap:
-    image: opencti/connector-email-intel-imap:6.6.4
+    image: opencti/connector-email-intel-imap:6.6.13
     environment:
       # OpenCTI configuration
       OPENCTI_URL: http://localhost:PORT