Update version for guava

Update guava version to 31.1-jre.

pom.xml

@@ -41,11 +41,6 @@
       <groupId>org.springframework.boot</groupId>
       <artifactId>spring-boot-starter-data-jpa</artifactId>
     </dependency>
-    <dependency>
-      <groupId>org.postgresql</groupId>
-      <artifactId>postgresql</artifactId>
-      <scope>runtime</scope>
-    </dependency>
     <dependency>
         <groupId>org.apache.commons</groupId>
         <artifactId>commons-lang3</artifactId>
@@ -58,8 +53,14 @@
     <dependency>
         <groupId>com.google.guava</groupId>
         <artifactId>guava</artifactId>
-        <version>23.0</version>
+        <version>31.1-jre</version>
     </dependency>
+    <dependency>
+      <groupId>org.springdoc</groupId>
+      <artifactId>springdoc-openapi-ui</artifactId>
+      <version>1.6.11</version>
+    </dependency>
+
     <dependency>
       <groupId>com.github.spotbugs</groupId>
       <artifactId>spotbugs-annotations</artifactId>
@@ -68,9 +69,9 @@
     </dependency>
 
     <dependency>
-      <groupId>org.springdoc</groupId>
-      <artifactId>springdoc-openapi-ui</artifactId>
-      <version>1.6.11</version>
+      <groupId>org.postgresql</groupId>
+      <artifactId>postgresql</artifactId>
+      <scope>runtime</scope>
     </dependency>
 
     <dependency>