build(deps-dev): bump pulsar-clients.version

Bumps `pulsar-clients.version` from 3.3.1 to 4.0.0-preview.1.

Updates `org.apache.pulsar:pulsar-client` from 3.3.1 to 4.0.0-preview.1
- [Release notes](https://github.com/apache/pulsar/releases)
- [Commits](apache/pulsar@v3.3.1...v4.0.0-preview.1)

Updates `org.apache.pulsar:pulsar-client-admin-api` from 3.3.1 to 4.0.0-preview.1
- [Release notes](https://github.com/apache/pulsar/releases)
- [Commits](apache/pulsar@v3.3.1...v4.0.0-preview.1)

Updates `org.apache.pulsar:pulsar-client-api` from 3.3.1 to 4.0.0-preview.1
- [Release notes](https://github.com/apache/pulsar/releases)
- [Commits](apache/pulsar@v3.3.1...v4.0.0-preview.1)

---
updated-dependencies:
- dependency-name: org.apache.pulsar:pulsar-client
  dependency-type: direct:development
  update-type: version-update:semver-major
- dependency-name: org.apache.pulsar:pulsar-client-admin-api
  dependency-type: direct:development
  update-type: version-update:semver-major
- dependency-name: org.apache.pulsar:pulsar-client-api
  dependency-type: direct:development
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

embedded-pulsar/pom.xml

@@ -14,7 +14,7 @@
     <artifactId>embedded-pulsar</artifactId>
 
     <properties>
-        <pulsar-clients.version>3.3.1</pulsar-clients.version>
+        <pulsar-clients.version>4.0.0-preview.1</pulsar-clients.version>
     </properties>
 
     <dependencies>