fix: upgrade org.apache.commons:commons-pool2 from 2.8.1 to 2.9.0 (#29)

Snyk has created this PR to upgrade org.apache.commons:commons-pool2 from 2.8.1 to 2.9.0.

See this package in Maven Repository:
https://mvnrepository.com/artifact/org.apache.commons/commons-pool2/

See this project in Snyk:
https://app.snyk.io/org/gkorland/project/274c8244-834c-4347-ab2d-fe2c8c513920?utm_source=github&utm_medium=upgrade-pr

Author: snyk-bot

pom.xml

@@ -48,7 +48,7 @@
 	<maven.test.target>8</maven.test.target>
         <gson.version>2.8.6</gson.version>
         <jedis.version>3.3.0</jedis.version>
-        <commons.pool2.version>2.8.1</commons.pool2.version>
+        <commons.pool2.version>2.9.0</commons.pool2.version>
     </properties>
 
     <dependencies>