Collect No Provider Request count

[MartinDai]

…ble.count Metrics

What is the purpose of the change

fix #12129

Brief changelog

Collect No Provider Request count as dubbo.consumer.invoker.no.available.count Metrics

Verifying this change

Checklist

• Make sure there is a GitHub_issue field for the change (usually before you start working on it). Trivial changes like typos do not require a GitHub issue. Your pull request should address just this issue, without pulling in other changes - one PR resolves one issue.
• Each commit in the pull request should have a meaningful subject line and body.
• Write a pull request description that is detailed enough to understand what the pull request does, how, and why.
• Check if is necessary to patch to Dubbo 3 if you are work on Dubbo 2.7
• Write necessary unit-test to verify your logic correction, more mock a little better when cross module dependency exist. If the new feature or significant change is committed, please remember to add sample in dubbo samples project.
• Add some description to dubbo-website project if you are requesting to add a feature.
• GitHub Actions works fine on your own branch.
• If this contribution is large, please follow the Software Donation Guide.

[codecov-commenter]

Codecov Report

Merging #12158 (c6cdb70) into 3.2 (f7c9057) will decrease coverage by 0.28%.
The diff coverage is n/a.

@@             Coverage Diff              @@
##                3.2   #12158      +/-   ##
============================================
- Coverage     69.84%   69.56%   -0.28%     
+ Complexity      340        2     -338     
============================================
  Files          3405     1593    -1812     
  Lines        159372    65426   -93946     
  Branches      26415     9525   -16890     
============================================
- Hits         111309    45512   -65797     
+ Misses        38360    15535   -22825     
+ Partials       9703     4379    -5324     

see 1845 files with indirect coverage changes

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[sonarqubecloud]

Kudos, SonarCloud Quality Gate passed!   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
1 Code Smell

40.0% Coverage
0.0% Duplication

[songxiaosheng]

LGTM