Bump io.avaje:avaje-jsonb-generator from 1.11 to 2.1

Bumps io.avaje:avaje-jsonb-generator from 1.11 to 2.1.

---
updated-dependencies:
- dependency-name: io.avaje:avaje-jsonb-generator
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

tests/test-nima-htmx/pom.xml

@@ -82,7 +82,7 @@
             <path>
               <groupId>io.avaje</groupId>
               <artifactId>avaje-jsonb-generator</artifactId>
-              <version>1.11</version>
+              <version>2.1</version>
             </path>
             <path>
               <groupId>io.jstach</groupId>