fix(deps): update dependency net.sf.saxon:saxon-he to v12.8 (#668)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

pom.xml

@@ -89,7 +89,7 @@
     <dependency>
       <groupId>net.sf.saxon</groupId>
       <artifactId>Saxon-HE</artifactId>
-      <version>12.7</version>
+      <version>12.8</version>
       <scope>runtime</scope>
     </dependency>
     <dependency>