build(deps): bump org.jooq:jooq from 3.20.5 to 3.21.0

Bumps org.jooq:jooq from 3.20.5 to 3.21.0.

---
updated-dependencies:
- dependency-name: org.jooq:jooq
  dependency-version: 3.21.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

build.gradle

@@ -12,7 +12,7 @@ group 'org.togetherjava'
 version '1.0-SNAPSHOT'
 
 ext {
-    jooqVersion = '3.20.5'
+    jooqVersion = '3.21.0'
     jacksonVersion = '2.19.1'
     chatGPTVersion = '4.29.0'
     junitVersion = '6.0.0'