chore(deps)(deps): bump org.neo4j:neo4j (#77)

Bumps the neo4j group with 1 update in the / directory: [org.neo4j:neo4j](https://github.com/neo4j/neo4j).


Updates `org.neo4j:neo4j` from 2026.02.3 to 2026.04.0
- [Release notes](https://github.com/neo4j/neo4j/releases)
- [Commits](neo4j/neo4j@2026.02.3...2026.04.0)

---
updated-dependencies:
- dependency-name: org.neo4j:neo4j
  dependency-version: 2026.04.0
  dependency-type: direct:production
  dependency-group: neo4j
...

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

Author: dependabot[bot]

pom.xml

@@ -22,7 +22,7 @@
 
     <properties>
         <java.version>25</java.version>
-        <neo4j.version>2026.02.3</neo4j.version>
+        <neo4j.version>2026.04.0</neo4j.version>
         <spring-ai.version>2.0.0-M3</spring-ai.version>
         <picocli.version>4.7.7</picocli.version>
         <jacoco.version>0.8.14</jacoco.version>