Bump pulsar-client from 2.7.2 to 2.7.3 in /modules/pulsar

Bumps [pulsar-client](https://github.com/apache/pulsar) from 2.7.2 to 2.7.3.
- [Release notes](https://github.com/apache/pulsar/releases)
- [Commits](apache/pulsar@v2.7.2...v2.7.3)

---
updated-dependencies:
- dependency-name: org.apache.pulsar:pulsar-client
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

modules/pulsar/build.gradle

@@ -3,7 +3,7 @@ description = "Testcontainers :: Pulsar"
 dependencies {
     api project(':testcontainers')
 
-    testImplementation group: 'org.apache.pulsar', name: 'pulsar-client', version: '2.7.2'
+    testImplementation group: 'org.apache.pulsar', name: 'pulsar-client', version: '2.7.3'
     testImplementation group: 'org.assertj', name: 'assertj-core', version: '3.21.0'
     testImplementation group: 'org.apache.pulsar', name: 'pulsar-client-admin', version: '2.7.2'
 }