GROOVY-12118: Further harden sql injection protection

[paulk-asert]

No description provided.

[codecov-commenter]

Codecov Report

❌ Patch coverage is 66.66667% with 1 line in your changes missing coverage. Please review.
✅ Project coverage is 68.5373%. Comparing base (0eca85d) to head (77feecb).

Files with missing lines	Patch %	Lines
...jects/groovy-sql/src/main/java/groovy/sql/Sql.java	66.6667%	0 Missing and 1 partial ⚠️

Additional details and impacted files

@@                Coverage Diff                 @@
##               master      #2647        +/-   ##
==================================================
- Coverage     68.5407%   68.5373%   -0.0034%     
- Complexity      33742      33745         +3     
==================================================
  Files            1523       1523                
  Lines          127940     127942         +2     
  Branches        23254      23255         +1     
==================================================
- Hits            87691      87688         -3     
- Misses          32463      32469         +6     
+ Partials         7786       7785         -1     

Files with missing lines	Coverage Δ
...jects/groovy-sql/src/main/java/groovy/sql/Sql.java	67.1196% <66.6667%> (-0.6663%)	⬇️

... and 7 files with indirect coverage changes

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[testlens-app]

✅ All tests passed ✅

🏷️ Commit: 77feecb
▶️ Tests: 97649 executed
⚪️ Checks: 31/31 completed

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