build(deps): bump org.projectnessie.cel:cel-bom from 0.4.5 to 0.5.1

Bumps [org.projectnessie.cel:cel-bom](https://github.com/projectnessie/cel-java) from 0.4.5 to 0.5.1.
- [Release notes](https://github.com/projectnessie/cel-java/releases)
- [Commits](projectnessie/cel-java@v0.4.5...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]>

Author: dependabot[bot]

pom.xml

@@ -38,7 +38,7 @@
     <org.apache.commons.io.version>2.16.1</org.apache.commons.io.version>
     <org.apache.commons.collections.version>4.4</org.apache.commons.collections.version>
     <org.apache.commons.validator.version>1.9.0</org.apache.commons.validator.version>
-    <org.projectnessie.cel.bom.version>0.4.5</org.projectnessie.cel.bom.version>
+    <org.projectnessie.cel.bom.version>0.5.1</org.projectnessie.cel.bom.version>
     <com.google.protobuf-java.version>3.25.5</com.google.protobuf-java.version>
     <com.nimbusds.jose.jwt.version>9.41.1</com.nimbusds.jose.jwt.version>
     <org.testcontainers.bom.version>1.20.6</org.testcontainers.bom.version>