[border-agent] return invalid args when lifetime exceeds 10min

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 0% with 1 line in your changes missing coverage. Please review.

Project coverage is 46.16%. Comparing base (2b41187) to head (6a0dda2). Report is 854 commits behind head on main.

Files with missing lines	Patch %	Lines
src/dbus/server/dbus_thread_object_rcp.cpp	0.00%	1 Missing :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #2567 +/- ## ========================================== - Coverage 55.77% 46.16% -9.61% ========================================== Files 87 104 +17 Lines 6890 12435 +5545 Branches 0 905 +905 ========================================== + Hits 3843 5741 +1898 - Misses 3047 6382 +3335 - Partials 0 312 +312 ```

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[mia1yang]

would you please also update instropect.xml on ActivateEphemeralKeyMode dbus API for such key information?

Modified in RP. Thanks!