WIP: Community Survey on using security in ROS

[ruffsl]

Stubbing this ticket to discuss survey the ROS community on using security, such as who uses Secure DDS features, how are they using it in deployments, what has their expenace been, facilitating constructive feedback, etc...

TODO:

• flesh out this ticket with objectives above
• ping Katherine Scott on this ticket
• follow proposed Moderation Guidelines on Surveys
  • https://discourse.ros.org/t/proposal-moderation-guidelines-on-surveys/15022

[vmayoral]

Good initiative, probably worth building upon the experience collected at https://discourse.ros.org/t/robot-cybersecurity-a-review/21531.