Bug fix: ALPN negotiation does not happen at listener level

[VirajSalaka]

Purpose

Issues

Fixes #

Automation tests

• Unit tests added: Yes/No
• Integration tests added: Yes/No

Tested environments

Not Tested

---

Maintainers: Check before merge

• Assigned 'Type' label
• Assigned the project
• Validated respective github issues
• Assigned milestone to the github issue(s)

[codecov]

Codecov Report

Patch coverage: 100.00% and no project coverage change.

Comparison is base (9cad359) 27.49% compared to head (9528e90) 27.50%.

Additional details and impacted files

@@            Coverage Diff            @@
##               main    #3348   +/-   ##
=========================================
  Coverage     27.49%   27.50%           
- Complexity     3368     3369    +1     
=========================================
  Files           483      483           
  Lines         51826    51827    +1     
  Branches       6337     6337           
=========================================
+ Hits          14248    14253    +5     
+ Misses        36184    36178    -6     
- Partials       1394     1396    +2     

Impacted Files	Coverage Δ
adapter/internal/oasparser/envoyconf/listener.go	64.93% <100.00%> (+0.10%)	⬆️

... and 4 files with indirect coverage changes

☔ View full report in Codecov by Sentry.
📢 Do you have feedback about the report comment? Let us know in this issue.