[TEST] Use collector v0.115.1 in functional tests

[marcalff]

Fixes # (issue)

Changes

Please provide a brief description of the changes here.

• Use opentelemetry-collector 0.115.1 in functional tests, as 0.116.0 fails.

For significant contributions please make sure you have completed the following items:

• CHANGELOG.md updated for non-trivial changes
• Unit tests have been added
• Changes in public API reviewed

[netlify]

✅ Deploy Preview for opentelemetry-cpp-api-docs canceled.

Name	Link
🔨 Latest commit	eced4c6
🔍 Latest deploy log	https://app.netlify.com/sites/opentelemetry-cpp-api-docs/deploys/6761e36ee6053b00088c3124

[marcalff]

CI in the opentelemetry-cpp repository started to fail on functional tests 4 hours ago, even when it was passing for the same commit earlier.

opentelemetry-collector released v0.116.0 4 hours ago.

See related:

• v0.116.0 docker image fails to start opentelemetry-collector#11944

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 87.82%. Comparing base (902ee88) to head (eced4c6).

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3213      +/-   ##
==========================================
- Coverage   87.83%   87.82%   -0.01%     
==========================================
  Files         195      195              
  Lines        6154     6154              
==========================================
- Hits         5405     5404       -1     
- Misses        749      750       +1     

see 1 file with indirect coverage changes

[marcalff]

It seems opentelemetry-collector now released a 0.116.1 docker image, and CI using latest is picking it up and passes.

[marcalff]

Closing, resolved by new opentelemetry-collector docker image 0.116.1