Bumping htmlcleaner in example project to 2.29

Addresses CVE https://nvd.nist.gov/vuln/detail/CVE-2023-34624 . Pushing to master to remove this from vulnerability report.

Author: rjrudin

examples/build.gradle

@@ -26,9 +26,9 @@ dependencies {
 	// api 'org.hsqldb:hsqldb:2.7.1'
 
 	api 'org.jdom:jdom2:2.0.6.1'
-	api 'org.dom4j:dom4j:2.1.3'
-	api 'com.google.code.gson:gson:2.10'
-	api 'net.sourceforge.htmlcleaner:htmlcleaner:2.26'
+	api 'org.dom4j:dom4j:2.1.4'
+	api 'com.google.code.gson:gson:2.10.1'
+	api 'net.sourceforge.htmlcleaner:htmlcleaner:2.29'
 	api 'com.opencsv:opencsv:4.6'
 	api 'org.springframework:spring-jdbc:5.3.27'
 	api 'org.apache.commons:commons-lang3:3.12.0'