chore(deps): update guacamole/guacamole docker digest to 268ceea

Author: renovate[bot]

roles/docker_guacamole/tasks/main.yml

@@ -37,7 +37,7 @@
 - name: deploy Guacamole Container
   community.docker.docker_container:
     name: "guacamole"
-    image: "guacamole/guacamole@sha256:96aad236548f434edc8c38b0fb4c511f21d7841cdf2e6060c5c179b182e5abaa"
+    image: "guacamole/guacamole@sha256:268ceea40e692a33e4a89b9ff7bd61d94c3ecc230d36bd35e39727da14e3c42b"
     restart_policy: always
     networks:
       - name: "proxy"