Bump httpclient from 4.5.8 to 4.5.13 in /src/connector/jdbc (#6372)

Bumps httpclient from 4.5.8 to 4.5.13.

---
updated-dependencies:
- dependency-name: org.apache.httpcomponents:httpclient
  dependency-type: direct:production
...
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src/connector/jdbc/pom.xml

@@ -47,7 +47,7 @@
         <dependency>
             <groupId>org.apache.httpcomponents</groupId>
             <artifactId>httpclient</artifactId>
-            <version>4.5.8</version>
+            <version>4.5.13</version>
         </dependency>
         <dependency>
             <groupId>com.alibaba</groupId>