fix: app/server/appsmith-plugins/saasPlugin/pom.xml to reduce vulnera…

…bilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-JAVA-ORGSPRINGFRAMEWORK-7687447

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

@@ -39,7 +39,7 @@
         <dependency>
             <groupId>org.springframework</groupId>
             <artifactId>spring-web</artifactId>
-            <version>5.2.3.RELEASE</version>
+            <version>5.3.38</version>
             <scope>provided</scope>
         </dependency>