fix: pom.xml to reduce vulnerabilities (#1126)

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-JAVA-NETSOURCEFORGEHTMLCLEANER-5710357

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

pom.xml

@@ -17,7 +17,7 @@
         <fastjson.version>2.0.19.graal</fastjson.version>
         <groovy-all.version>3.0.13</groovy-all.version>
         <guava.version>32.0.0-jre</guava.version>
-        <htmlcleaner.version>2.26</htmlcleaner.version>
+        <htmlcleaner.version>2.29</htmlcleaner.version>
         <httpclient.version>4.5.13</httpclient.version>
         <httpcore.version>4.4.15</httpcore.version>
         <jedis.version>3.7.1</jedis.version>