Make EBPF tracer config visible

[mariomac]

Before we expose the tracer config in Alloy (https://github.com/grafana/beyla/issues/1217), we need to make this property visible in Beyla, at an API level.

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 81.74%. Comparing base (fb3b304) to head (0649f5f).

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1222      +/-   ##
==========================================
+ Coverage   79.78%   81.74%   +1.95%     
==========================================
  Files         137      137              
  Lines       11483    11483              
==========================================
+ Hits         9162     9387     +225     
+ Misses       1781     1560     -221     
+ Partials      540      536       -4     

Flag	Coverage Δ
integration-test	60.33% <ø> (-0.05%)	:arrow_down:
k8s-integration-test	58.36% <ø> (+0.09%)	:arrow_up:
oats-test	36.08% <ø> (?)
unittests	53.03% <ø> (ø)

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