Bump neo4j.version from 4.4.40 to 5.26.1 (#772)

Bumps `neo4j.version` from 4.4.40 to 5.26.1.

Updates `org.neo4j:neo4j` from 4.4.40 to 5.26.1
- [Release notes](https://github.com/neo4j/neo4j/releases)
- [Commits](neo4j/neo4j@4.4.40...5.26.1)

Updates `org.neo4j.procedure:apoc-core` from 5.26.0 to 5.26.1
- [Release notes](https://github.com/neo4j/apoc/releases)
- [Commits](neo4j/apoc@5.26.0...5.26.1)

---
updated-dependencies:
- dependency-name: org.neo4j:neo4j
  dependency-type: direct:production
  update-type: version-update:semver-major
- dependency-name: org.neo4j.procedure:apoc-core
  dependency-type: direct:development
  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

@@ -96,7 +96,7 @@
         <system-lambda.version>1.2.1</system-lambda.version>
         <neo4j_4x.version>4.4.40</neo4j_4x.version>
         <neo4j_4x_apoc.version>4.4.0.29</neo4j_4x_apoc.version>
-        <neo4j_5x.version>5.26.0</neo4j_5x.version>
+        <neo4j_5x.version>5.26.1</neo4j_5x.version>
         <!-- The actual Neo4j version is set using the neo4jv4/neo4jv5 profiles
          This default setting is required by Jenkins for parsing the Maven model -->
         <neo4j.version>${neo4j_4x.version}</neo4j.version>