optimize: add copyright notice

[AlexStocks]

• I have registered the PR changes.

Ⅰ. Describe what this PR did

add apache notice

Ⅱ. Does this pull request fix one issue?

fixes #4799

[slievrly]

Pls add change log in:
https://github.com/seata/seata/blob/develop/changes/en-us/develop.md
https://github.com/seata/seata/blob/develop/changes/zh-cn/develop.md

[AlexStocks]

Pls add change log in: https://github.com/seata/seata/blob/develop/changes/en-us/develop.md https://github.com/seata/seata/blob/develop/changes/zh-cn/develop.md

done

[codecov-commenter]

Codecov Report

Merging #4800 (3e1e3d1) into develop (b7dafbf) will decrease coverage by 0.00%.
The diff coverage is n/a.

@@              Coverage Diff              @@
##             develop    #4800      +/-   ##
=============================================
- Coverage      49.20%   49.20%   -0.01%     
+ Complexity      4091     4090       -1     
=============================================
  Files            736      736              
  Lines          25723    25723              
  Branches        3177     3177              
=============================================
- Hits           12658    12656       -2     
  Misses         11716    11716              
- Partials        1349     1351       +2     

Impacted Files	Coverage Δ
...torage/file/store/FileTransactionStoreManager.java	55.62% <0.00%> (-0.65%)	⬇️
...erver/storage/file/session/FileSessionManager.java	47.77% <0.00%> (-0.64%)	⬇️
...very/registry/zk/ZookeeperRegisterServiceImpl.java	61.76% <0.00%> (+0.73%)	⬆️

[slievrly]

Pls add change log in: https://github.com/seata/seata/blob/develop/changes/en-us/develop.md https://github.com/seata/seata/blob/develop/changes/zh-cn/develop.md

done

The change log should be moved to the optimize module in develop.md . bugfix represents a fix to transaction service.

[funky-eyes]

LGTM @slievrly PTAL

[slievrly]

LGTM