fix: webmagic-samples/pom.xml to reduce vulnerabilities (#1142)

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-JAVA-ORGJETBRAINSKOTLIN-2393744
- https://snyk.io/vuln/SNYK-JAVA-ORGJETBRAINSKOTLIN-2628385

Co-authored-by: snyk-bot <snyk-bot@snyk.io>

Author: code4craft

webmagic-samples/pom.xml

@@ -27,7 +27,7 @@
         <dependency>
             <groupId>org.mapdb</groupId>
             <artifactId>mapdb</artifactId>
-            <version>3.0.10</version>
+            <version>3.1.0</version>
         </dependency>
         <dependency>
             <groupId>com.fasterxml.jackson.core</groupId>