Implement a converter that bridges the old MEA topics to the new ones

[PradeepKiruvale]

Proposed changes

This new actor translates the tedge/# topics to te/# topics.

tedge topic	te topic	other updates
tedge/measurements	te/device/main///m/
tedge/measurements/child	te/device/child///m/
tedge/alarms/severity/alarm_type	te/device/main///a/alarm_type	add severity into payload
tedge/alarms/severity/child/alarm_type	te/device/child///a/alarm_type	add severity into payload
tedge/events/event_type	te/device/main///e/event_type
tedge/events/child/event_type	te/device/child///e/event_type
tedge/health/service-name	te/device/main/service/service-name/status/health
tedge/health/child/service-name	te/device/child/service/service-name/status/health

Types of changes

• Bugfix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Improvement (general improvements like code refactoring that doesn't explicitly fix a bug or add any new functionality)
• Documentation Update (if none of the other choices apply)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)

Paste Link to the issue

#2079

Checklist

• I have read the CONTRIBUTING doc
• I have signed the CLA (in all commits with git commit -s)
• I ran cargo fmt as mentioned in CODING_GUIDELINES
• I used cargo clippy as mentioned in CODING_GUIDELINES
• I have added tests that prove my fix is effective or that my feature works
• I have added necessary documentation (if appropriate)

Further comments

[codecov]

Codecov Report

Merging #2125 (ad7f57c) into main (ab4e078) will increase coverage by 0.2%.
Report is 7 commits behind head on main.
The diff coverage is 81.4%.

❗ Current head ad7f57c differs from pull request most recent head ffc81cd. Consider uploading reports for the commit ffc81cd to get more accurate results

Additional details and impacted files

Files Changed	Coverage Δ
crates/core/tedge_agent/src/agent.rs	0.0% <0.0%> (ø)
crates/core/tedge_agent/src/main.rs	0.0% <ø> (ø)
...tedge_agent/src/tedge_to_te_converter/converter.rs	85.1% <85.1%> (ø)
...ore/tedge_agent/src/tedge_to_te_converter/tests.rs	89.2% <89.2%> (ø)

... and 2 files with indirect coverage changes

[github-actions]

Robot Results

✅ Passed	❌ Failed	⏭️ Skipped	Total	Pass %
247	0	5	247	100

[didier-wenzek]

Thank you. This is close to be merged. I only have some concerns for the duplicated Alarm struct.

[didier-wenzek]

Approved