Bump cel-bom from 0.3.19 to 0.3.20 (#96)

Bumps [cel-bom](https://github.com/projectnessie/cel-java) from 0.3.19 to 0.3.20.
- [Release notes](https://github.com/projectnessie/cel-java/releases)
- [Commits](projectnessie/cel-java@v0.3.19...v0.3.20)

---
updated-dependencies:
- dependency-name: org.projectnessie.cel:cel-bom
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

pom.xml

@@ -32,7 +32,7 @@
         <jts.version>1.19.0</jts.version>
         <lombok.version>1.18.28</lombok.version>
         <jackson.version>2.15.2</jackson.version>
-        <cel.version>0.3.19</cel.version>
+        <cel.version>0.3.20</cel.version>
         <auto-service.version>1.1.1</auto-service.version>
         <junit.version>5.9.3</junit.version>
         <assertj.version>3.24.2</assertj.version>