Add volatile on destroyed filed ensure visibility

[NingleXu]

What is the purpose of the change

Brief changelog

Add the volatile keyword to AbstractInvoker's destroyed field to ensure multithreading visibility.
#13060

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.

[sonarcloud]

Kudos, SonarCloud Quality Gate passed!   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
0 Code Smells

100.0% Coverage
0.0% Duplication

[codecov-commenter]

Codecov Report

Merging #13061 (939492f) into 3.2 (139a62e) will decrease coverage by 0.06%.
The diff coverage is n/a.

@@             Coverage Diff              @@
##                3.2   #13061      +/-   ##
============================================
- Coverage     69.43%   69.37%   -0.06%     
  Complexity        2        2              
============================================
  Files          1649     1649              
  Lines         68566    68566              
  Branches      10001    10001              
============================================
- Hits          47607    47570      -37     
- Misses        16368    16410      +42     
+ Partials       4591     4586       -5     

see 33 files with indirect coverage changes

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