Add rss_kb to Hearbeat message

[rustworthy]

This change is 

[codecov]

Codecov Report

❌ Patch coverage is 81.18812% with 19 lines in your changes missing coverage. Please review.
✅ Project coverage is 71.6%. Comparing base (6c7981a) to head (b136f6d).
⚠️ Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
src/worker/system.rs	75.0%	9 Missing ⚠️
src/bin/loadtest.rs	0.0%	4 Missing ⚠️
src/worker/builder.rs	83.3%	2 Missing ⚠️
src/error.rs	0.0%	1 Missing ⚠️
src/proto/batch/status.rs	0.0%	1 Missing ⚠️
src/proto/single/cmd.rs	95.0%	1 Missing ⚠️
src/proto/single/ent/progress.rs	0.0%	1 Missing ⚠️

Additional details and impacted files

Files with missing lines	Coverage Δ
src/proto/client/mod.rs	90.1% <100.0%> (+0.2%)	⬆️
src/proto/single/resp.rs	88.1% <100.0%> (ø)
src/proto/single/utils.rs	98.0% <100.0%> (ø)
src/worker/health.rs	89.3% <100.0%> (+0.9%)	⬆️
src/worker/mod.rs	82.1% <100.0%> (+0.5%)	⬆️
src/error.rs	47.6% <0.0%> (ø)
src/proto/batch/status.rs	0.0% <0.0%> (ø)
src/proto/single/cmd.rs	97.6% <95.0%> (-0.3%)	⬇️
src/proto/single/ent/progress.rs	0.0% <0.0%> (ø)
src/worker/builder.rs	87.2% <83.3%> (-0.5%)	⬇️
... and 2 more

... and 6 files with indirect coverage changes

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[salasjuarezederaldair60-eng]

@salasjuarezederaldair60-eng reviewed 1 file.
Reviewable status: 1 of 29 files reviewed, 8 unresolved discussions.

[salasjuarezederaldair60-eng]

archivo modificado