fix: app/server/appsmith-plugins/redshiftPlugin/pom.xml to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-JAVA-COMAMAZONREDSHIFT-6841702

Author: snyk-bot

app/server/appsmith-plugins/redshiftPlugin/pom.xml

@@ -27,7 +27,7 @@
         <dependency>
             <groupId>com.amazon.redshift</groupId>
             <artifactId>redshift-jdbc42</artifactId>
-            <version>2.1.0.9</version>
+            <version>2.1.0.28</version>
             <scope>runtime</scope>
         </dependency>
         <dependency>