Bump pulsar-client from 2.6.0 to 2.6.1 in /modules/pulsar

Bumps [pulsar-client](https://github.com/apache/pulsar) from 2.6.0 to 2.6.1.
- [Release notes](https://github.com/apache/pulsar/releases)
- [Commits](apache/pulsar@v2.6.0...v2.6.1)

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

modules/pulsar/build.gradle

@@ -3,7 +3,7 @@ description = "Testcontainers :: Pulsar"
 dependencies {
     compile project(':testcontainers')
 
-    testCompile group: 'org.apache.pulsar', name: 'pulsar-client', version: '2.6.0'
+    testCompile group: 'org.apache.pulsar', name: 'pulsar-client', version: '2.6.1'
     testCompile group: 'org.assertj', name: 'assertj-core', version: '3.17.0'
     testCompile group: 'org.apache.pulsar', name: 'pulsar-client-admin', version: '2.6.0'
 }