4 new metric attributes added

[sh3ll3x3c]

Added 4 new metric attributes:

• ip -> IP address of the light client taken from it's external multi-address
• job -> set to avail_light_client; job is a default OT metric attribute for every metric sent
• version -> Light Client version retrieved from CARGO_PKG_VERSION env variable
• role -> type of the client: crawler, app, bootstrap, relay or lightclient

[codecov-commenter]

Codecov Report

Patch coverage has no change and project coverage change: -0.06% ⚠️

Comparison is base (b1dd69d) 27.12% compared to head (cf792fb) 27.07%.
Report is 1 commits behind head on main.

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Additional details and impacted files

@@            Coverage Diff             @@
##             main     #286      +/-   ##
==========================================
- Coverage   27.12%   27.07%   -0.06%     
==========================================
  Files          22       22              
  Lines       10599    10620      +21     
==========================================
  Hits         2875     2875              
- Misses       7724     7745      +21     

Files Changed	Coverage Δ
src/network/event_loop.rs	0.00% <0.00%> (ø)
src/network/mod.rs	0.00% <0.00%> (ø)
src/telemetry/mod.rs	100.00% <ø> (ø)
src/telemetry/otlp.rs	0.00% <0.00%> (ø)

... and 1 file with indirect coverage changes

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