GROOVY-11922: Jakarta EE 11 compatibility for groovy-servlet

[paulk-asert]

No description provided.

[utafrali]

The version bumps from Servlet 6.0 to 6.1 and JSP API 3.1.1 to 4.0.0 are correct, and the verification metadata SHA-512 hashes are the right length (128 hex chars). The main concern is the documentation's unqualified backward compatibility claim with Jakarta EE 10 containers, which could mislead users if any Servlet 6.1-specific API is called at runtime.

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 66.4936%. Comparing base (0e89696) to head (6e1af70).
⚠️ Report is 7 commits behind head on master.

Additional details and impacted files

@@                Coverage Diff                 @@
##               master      #2461        +/-   ##
==================================================
+ Coverage     66.4876%   66.4936%   +0.0059%     
- Complexity      30269      30273         +4     
==================================================
  Files            1411       1411                
  Lines          118031     118031                
  Branches        20989      20989                
==================================================
+ Hits            78476      78483         +7     
+ Misses          33077      33073         -4     
+ Partials         6478       6475         -3     

see 3 files with indirect coverage changes

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