fix: upgrade org.testng:testng from 6.10 to 6.14.3 (#1340)

Snyk has created this PR to upgrade org.testng:testng from 6.10 to 6.14.3.

See this package in NPM:
https://www.npmjs.com/package/org.testng:testng

See this project in Snyk:
https://app.snyk.io/org/cxie/project/2f701ce6-b421-4bbf-aaad-9d2bdb8569e4?utm_source=github&utm_medium=upgrade-prSigned-off-by: NJinHai-CN <hai.jin@zilliz.com>
Co-authored-by: NJin Hai <hai.jin@zilliz.com>

tests/milvus-java-test/pom.xml

@@ -81,7 +81,7 @@
         <dependency>
             <groupId>org.testng</groupId>
             <artifactId>testng</artifactId>
-            <version>6.10</version>
+            <version>6.14.3</version>
         </dependency>
 
         <dependency>