Bump curator.version from 5.8.0 to 5.9.0 (#383)

Bumps `curator.version` from 5.8.0 to 5.9.0.

Updates `org.apache.curator:curator-framework` from 5.8.0 to 5.9.0
- [Release notes](https://github.com/apache/curator/releases)
- [Commits](apache/curator@apache-curator-5.8.0...apache-curator-5.9.0)

Updates `org.apache.curator:curator-recipes` from 5.8.0 to 5.9.0
- [Release notes](https://github.com/apache/curator/releases)
- [Commits](apache/curator@apache-curator-5.8.0...apache-curator-5.9.0)

Updates `org.apache.curator:curator-x-discovery` from 5.8.0 to 5.9.0
- [Release notes](https://github.com/apache/curator/releases)
- [Commits](apache/curator@apache-curator-5.8.0...apache-curator-5.9.0)

Updates `org.apache.curator:curator-test` from 5.8.0 to 5.9.0
- [Release notes](https://github.com/apache/curator/releases)
- [Commits](apache/curator@apache-curator-5.8.0...apache-curator-5.9.0)

---
updated-dependencies:
- dependency-name: org.apache.curator:curator-framework
  dependency-version: 5.9.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: org.apache.curator:curator-recipes
  dependency-version: 5.9.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: org.apache.curator:curator-x-discovery
  dependency-version: 5.9.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: org.apache.curator:curator-test
  dependency-version: 5.9.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

spring-cloud-zookeeper-dependencies/pom.xml

@@ -14,7 +14,7 @@
 	<name>spring-cloud-zookeeper-dependencies</name>
 	<description>Spring Cloud Zookeeper Dependencies</description>
 	<properties>
-		<curator.version>5.8.0</curator.version>
+		<curator.version>5.9.0</curator.version>
 		<maven-checkstyle-plugin.failsOnError>true</maven-checkstyle-plugin.failsOnError>
 		<maven-checkstyle-plugin.failsOnViolation>true</maven-checkstyle-plugin.failsOnViolation>
 		<maven-checkstyle-plugin.includeTestSourceDirectory>true</maven-checkstyle-plugin.includeTestSourceDirectory>