fix: upgrade com.google.code.gson:gson from 2.8.7 to 2.8.8 (#57)

Snyk has created this PR to upgrade com.google.code.gson:gson from 2.8.7 to 2.8.8.

See this package in Maven Repository:
https://mvnrepository.com/artifact/com.google.code.gson/gson/

See this project in Snyk:
https://app.snyk.io/org/redislabs/project/79089ca1-db5f-4f26-9f13-6d55a2354fdd?utm_source=github&utm_medium=upgrade-pr

Co-authored-by: M Sazzadul Hoque <7600764+sazzad16@users.noreply.github.com>

pom.xml

@@ -46,7 +46,7 @@
  <maven.compiler.target>1.8</maven.compiler.target>
  <maven.test.source>8</maven.test.source>
  <maven.test.target>8</maven.test.target>
- <gson.version>2.8.7</gson.version>
+ <gson.version>2.8.8</gson.version>
  <jedis.version>3.6.3</jedis.version>
  <commons.pool2.version>2.11.1</commons.pool2.version>
  </properties>