[ssh] Reduce log level to avoid log spam with GUI

[ricab]

Reduce logging of ssh executions inside instances for list and info to trace level, while keeping the rest at debug.

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 88.88889% with 1 line in your changes missing coverage. Please review.

Project coverage is 88.82%. Comparing base (8935cfa) to head (54b546b). Report is 37 commits behind head on main.

Files	Patch %	Lines
src/daemon/runtime_instance_info_helper.cpp	0.00%	1 Missing :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #3549 +/- ## ========================================== - Coverage 88.85% 88.82% -0.03% ========================================== Files 253 253 Lines 14168 14171 +3 ========================================== - Hits 12589 12588 -1 - Misses 1579 1583 +4 ```

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