Add traces attributes

[weslenteche]

After the semantic convention was stabilized in v1.23, I added some missing attributes.
I noticed that some automatic instrumentation already had it, but other instrumentation was missing.

[codecov]

Codecov Report

Merging #214 (d2abf8b) into main (f3e21f4) will decrease coverage by 0.13%.
The diff coverage is 0.00%.

Additional details and impacted files

@@             Coverage Diff              @@
##               main     #214      +/-   ##
============================================
- Coverage     32.02%   31.90%   -0.13%     
  Complexity      878      878              
============================================
  Files            79       79              
  Lines          3360     3373      +13     
============================================
  Hits           1076     1076              
- Misses         2284     2297      +13     

Flag	Coverage Δ
7.4	46.34% <ø> (ø)
8.0	31.73% <0.00%> (-0.14%)	⬇️
8.1	31.76% <0.00%> (-0.14%)	⬇️
8.2	31.85% <0.00%> (-0.13%)	⬇️

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Files	Coverage Δ
...ion/CodeIgniter/src/CodeIgniterInstrumentation.php	0.00% <0.00%> (ø)
...c/Instrumentation/Slim/src/SlimInstrumentation.php	0.00% <0.00%> (ø)
...rumentation/Symfony/src/SymfonyInstrumentation.php	0.00% <0.00%> (ø)
...Instrumentation/Psr15/src/Psr15Instrumentation.php	0.00% <0.00%> (ø)

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[brettmc]

LGTM - thanks!