Update POMs with explicit URL

Author: aalmiray

empiricism/pom.xml

@@ -10,6 +10,7 @@
   </parent>
 
   <name>empiricism</name>
+  <url>https://github.com/OWASP/java-html-sanitizer</url>
   <description>
     HTML metadata derived by interrogating a browser's HTML parser
   </description>

java10-shim/pom.xml

@@ -9,6 +9,7 @@
   </parent>
 
   <name>Java 10 Shim</name>
+  <url>https://github.com/OWASP/java-html-sanitizer</url>
   <description>
     Provides an implementation of java8-shim that interoperates with
     Java &gt;= 10 idioms for immutable collections.

java8-shim/pom.xml

@@ -9,6 +9,7 @@
   </parent>
 
   <name>Java 8 Shim</name>
+  <url>https://github.com/OWASP/java-html-sanitizer</url>
   <description>
     Backports @since Java 9 collection factories like List.of onto
     Java8 in a way that uses the real ones where available, falls back

owasp-java-html-sanitizer/pom.xml

@@ -9,6 +9,7 @@
   </parent>
 
   <name>OWASP Java HTML Sanitizer</name>
+  <url>https://github.com/OWASP/java-html-sanitizer</url>
   <description>
     Takes third-party HTML and produces HTML that is safe to embed in
     your web application.