refactor(instrumentation-restify): update semconv usage to ATTR_ exports

[trentm]

Refs: #2377

[trentm]

Going too fast. I made a PR from the wrong branch. I'll re-open a new one.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 89.64%. Comparing base (e0858f9) to head (0e3fd2d).

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #2860   +/-   ##
=======================================
  Coverage   89.64%   89.64%           
=======================================
  Files         184      184           
  Lines        9032     9032           
  Branches     1852     1852           
=======================================
  Hits         8097     8097           
  Misses        935      935           

Files with missing lines	Coverage Δ
...try-instrumentation-restify/src/instrumentation.ts	89.81% <100.00%> (ø)

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