chore(CI): Ignore deprecated notice because unmaintained otelecho

[thomaspoignant]

Description

CI was breaking the build because of the deprecation notice due to lack of maintenance of otelecho.
For now, we've decided to ignore the notice.

Closes issue(s)

Resolve #2289

Checklist

• I have tested this code
• I have followed the contributing guide

[netlify]

✅ Deploy Preview for go-feature-flag-doc-preview canceled.

Name	Link
🔨 Latest commit	9a620e4
🔍 Latest deploy log	https://app.netlify.com/sites/go-feature-flag-doc-preview/deploys/66d56ac91764df0008762d19

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarCloud

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 86.03%. Comparing base (c1f108b) to head (9a620e4).
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2304      +/-   ##
==========================================
+ Coverage   86.00%   86.03%   +0.02%     
==========================================
  Files         102      102              
  Lines        3731     3730       -1     
==========================================
  Hits         3209     3209              
+ Misses        399      398       -1     
  Partials      123      123              

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