build(deps): bump org.projectnessie.cel:cel-bom from 0.4.4 to 0.5.1

Bumps [org.projectnessie.cel:cel-bom](https://github.com/projectnessie/cel-java) from 0.4.4 to 0.5.1.
- [Release notes](https://github.com/projectnessie/cel-java/releases)
- [Commits](projectnessie/cel-java@v0.4.4...v0.5.1)

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

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

pom.xml

@@ -85,7 +85,7 @@
   <com.fasterxml.jackson.version>2.17.2</com.fasterxml.jackson.version>
   <io.smallrye.config.version>3.5.4</io.smallrye.config.version>
   <org.slf4j.version>2.0.16</org.slf4j.version>
-  <org.projectnessie.cel.bom.version>0.4.4</org.projectnessie.cel.bom.version>
+  <org.projectnessie.cel.bom.version>0.5.1</org.projectnessie.cel.bom.version>
   <com.google.protobuf-java.version>3.25.2</com.google.protobuf-java.version>
   <info.picocli.version>4.7.6</info.picocli.version>
   <com.redhat.insights.agent.version>1.0.2</com.redhat.insights.agent.version>