sumologicexporter: add carbon2 format

[sumo-drosiek]

Description:
Add support for carbon2 format to sumologicexporter

Link to tracking Issue:
#1498

Testing:
Manual e2e tests, unit tests

Documentation:
Comments

[sumo-drosiek]

cc: @pmm-sumo @pmalek-sumo

[codecov]

Codecov Report

Merging #2523 (d2a339b) into main (3b70661) will increase coverage by 21.56%.
The diff coverage is 100.00%.

@@             Coverage Diff             @@
##             main    #2523       +/-   ##
===========================================
+ Coverage   69.33%   90.89%   +21.56%     
===========================================
  Files          34      409      +375     
  Lines        1601    20403    +18802     
===========================================
+ Hits         1110    18546    +17436     
- Misses        416     1396      +980     
- Partials       75      461      +386     

Flag	Coverage Δ
integration	69.33% <ø> (ø)
unit	89.74% <100.00%> (?)

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
exporter/sumologicexporter/config.go	100.00% <ø> (ø)
exporter/sumologicexporter/carbon_formatter.go	100.00% <100.00%> (ø)
exporter/sumologicexporter/sender.go	90.41% <100.00%> (ø)
...fexporter/handler/request_structuredlog_handler.go	100.00% <0.00%> (ø)
exporter/datadogexporter/metadata/system/host.go	75.00% <0.00%> (ø)
processor/k8sprocessor/processor.go	100.00% <0.00%> (ø)
exporter/jaegerthrifthttpexporter/factory.go	100.00% <0.00%> (ø)
internal/splunk/common.go	100.00% <0.00%> (ø)
...er/signalfxreceiver/signalfxv2_event_to_logdata.go	100.00% <0.00%> (ø)
processor/groupbytraceprocessor/event.go	95.96% <0.00%> (ø)
... and 390 more

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