fix: ServiceName default should include executable name

[cijothomas]

No description provided.

[codecov]

Codecov Report

❌ Patch coverage is 89.24731% with 10 lines in your changes missing coverage. Please review.
✅ Project coverage is 80.7%. Comparing base (7ad3325) to head (d916935).
⚠️ Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
opentelemetry-sdk/src/logs/logger_provider.rs	87.5%	3 Missing ⚠️
opentelemetry-sdk/src/metrics/meter_provider.rs	87.5%	3 Missing ⚠️
opentelemetry-sdk/src/trace/provider.rs	88.8%	3 Missing ⚠️
opentelemetry-sdk/src/resource/env.rs	94.4%	1 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##            main   #3302     +/-   ##
=======================================
- Coverage   80.7%   80.7%   -0.1%     
=======================================
  Files        129     129             
  Lines      23430   23471     +41     
=======================================
+ Hits       18925   18956     +31     
- Misses      4505    4515     +10     

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