[jdbc] Fix JDBC checkstyle errors.

RedundantThrows is unreliable and latest checkstyle removes it.
https://github.com/checkstyle/checkstyle/issues/5#issuecomment-52593242

checkstyle.xml

@@ -161,7 +161,6 @@ LICENSE file.
         <module name="IllegalInstantiation"/>
         <module name="InnerAssignment"/>
         <module name="MissingSwitchDefault"/>
-        <module name="RedundantThrows"/>
         <module name="SimplifyBooleanExpression"/>
         <module name="SimplifyBooleanReturn"/>
 

pom.xml

@@ -38,9 +38,9 @@ LICENSE file.
   <dependencyManagement>
     <dependencies>
       <dependency>
-        <groupId>checkstyle</groupId>
+        <groupId>com.puppycrawl.tools</groupId>
         <artifactId>checkstyle</artifactId>
-        <version>5.0</version>
+        <version>7.7.1</version>
       </dependency>
       <dependency>
         <groupId>org.jdom</groupId>
@@ -145,7 +145,7 @@ LICENSE file.
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-checkstyle-plugin</artifactId>
-          <version>2.15</version>
+          <version>2.16</version>
         </plugin>
       </plugins>
     </pluginManagement>