Include OPA min compat version in telemetry report

This commit extends the telemetry report to include the
minimum compatible version of policies loaded into OPA.
This information can be helpful to get visibility into
era of Rego being adopted in the wild.

Fixes: #6361

Co-authored-by: Stephan Renatus <stephan@styra.com>
Signed-off-by: Ashutosh Narkar <anarkar4387@gmail.com>