build(deps): bump Saxon-HE from 11.4 to 12.0

Bumps Saxon-HE from 11.4 to 12.0.

---
updated-dependencies:
- dependency-name: net.sf.saxon:Saxon-HE
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

pom.xml

@@ -458,7 +458,7 @@
             <dependency>
                 <groupId>net.sf.saxon</groupId>
                 <artifactId>Saxon-HE</artifactId>
-                <version>11.4</version>
+                <version>12.0</version>
             </dependency>
             <dependency>
                 <groupId>org.slf4j</groupId>