HPCC-11532 Renamed "ops/permissions" to "ops/security"

Fixes HPCC-11532

Signed-off-by: Gordon Smith <gordon.smith@lexisnexis.com>
Merge pull request #5969 from GordonSmith/HPCC-11532

HPCC-11532 Renamed "ops/permissions" to "ops/security"

Reviewed-By: Miguel Vazquez <miguel.vazquez@lexisnexis.com>
Reviewed-By: Richard Chapman <rchapman@hpccsystems.com>