[console] Support ActivitySource.Tags

[CodeBlanch]

Relates to #5701

Changes

• Display ActivitySource.Tags (if set) when exporting traces to console.

Examples

Traces:

Metrics (tweaked):

Merge requirement checklist

• CONTRIBUTING guidelines followed (license requirements, nullable enabled, static analysis, etc.)
• Appropriate CHANGELOG.md files updated for non-trivial changes

[codecov]

Codecov Report

Attention: Patch coverage is 15.38462% with 22 lines in your changes missing coverage. Please review.

Project coverage is 86.40%. Comparing base (6250307) to head (e0990f8).
Report is 365 commits behind head on main.

Files with missing lines	Patch %	Lines
...elemetry.Exporter.Console/ConsoleMetricExporter.cs	0.00%	17 Missing ⚠️
...emetry.Exporter.Console/ConsoleActivityExporter.cs	44.44%	5 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #5935      +/-   ##
==========================================
+ Coverage   83.38%   86.40%   +3.02%     
==========================================
  Files         297      261      -36     
  Lines       12531    11616     -915     
==========================================
- Hits        10449    10037     -412     
+ Misses       2082     1579     -503     

Flag	Coverage Δ
unittests	?
unittests-Project-Experimental	86.26% <15.38%> (?)
unittests-Project-Stable	86.29% <15.38%> (?)

Flags with carried forward coverage won't be shown. Click here to find out more.

Files with missing lines	Coverage Δ
...emetry.Exporter.Console/ConsoleActivityExporter.cs	46.96% <44.44%> (-1.31%)	⬇️
...elemetry.Exporter.Console/ConsoleMetricExporter.cs	0.00% <0.00%> (ø)

... and 240 files with indirect coverage changes

[cijothomas]

LGTM.
left a small suggestion.