Update span limits to conform with OpenTelemetry specification

[XSAM]

From the specfication:

AttributeCountLimit (Default=128) - Maximum allowed span attribute count;
EventCountLimit (Default=128) - Maximum allowed span event count;
LinkCountLimit (Default=128) - Maximum allowed span link count;
AttributePerEventCountLimit (Default=128) - Maximum allowed attribute per span event count;
AttributePerLinkCountLimit (Default=128) - Maximum allowed attribute per span link count;

[codecov]

Codecov Report

Merging #1535 (d8a14f4) into main (ecf65d7) will increase coverage by 0.0%.
The diff coverage is 100.0%.

@@          Coverage Diff          @@
##            main   #1535   +/-   ##
=====================================
  Coverage   78.0%   78.0%           
=====================================
  Files        127     127           
  Lines       6582    6599   +17     
=====================================
+ Hits        5136    5153   +17     
  Misses      1201    1201           
  Partials     245     245           

Impacted Files	Coverage Δ
sdk/trace/provider.go	95.0% <100.0%> (+0.4%)	⬆️
sdk/trace/span.go	91.0% <100.0%> (+0.3%)	⬆️