Upgrade dubbo-go to v3.1.1

[mark4z]

What this PR does:

Which issue(s) this PR fixes:

Fixes #

Special notes for your reviewer:

Does this PR introduce a user-facing change?:

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 37.15%. Comparing base (26606a8) to head (5f4233c).
Report is 5 commits behind head on develop.

❗ Current head 5f4233c differs from pull request most recent head 217d6ff. Consider uploading reports for the commit 217d6ff to get more accurate results

Additional details and impacted files

@@             Coverage Diff              @@
##           develop     #630       +/-   ##
============================================
- Coverage    54.67%   37.15%   -17.53%     
============================================
  Files          671       62      -609     
  Lines        78658     4514    -74144     
============================================
- Hits         43006     1677    -41329     
+ Misses       31981     2648    -29333     
+ Partials      3671      189     -3482     

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[sonarcloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
No data about Coverage
0.0% Duplication on New Code

See analysis details on SonarCloud