This commit adds lease and remaining lease information to the output
of `srp server host` and `srp server service` CLI commands.
The information includes:
- `lease`: The total lease time in seconds.
- `key-lease`: The total key lease time in seconds.
- `remaining lease`: The remaining lease time in seconds (with
millisecond precision).
- `remaining key-lease`: The remaining key lease time in seconds
(with millisecond precision).
A new utility method `OutputMsecDurationInSec()` is added to `Utils`
class to format durations in milliseconds as seconds with a
fractional part.
The SRP server host and service output parsers in
`tests/scripts/thread-cert/node.py`, `tests/toranj/cli/cli.py`, and
`tools/otci/otci/otci.py` are updated to correctly handle the new
fields for both active and deleted entries.