Bump Saxon-HE from 10.6 to 12.1

Bumps Saxon-HE from 10.6 to 12.1.

---
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>

Author: dependabot[bot]

pom.xml

@@ -123,7 +123,7 @@
     <dependency>
       <groupId>net.sf.saxon</groupId>
       <artifactId>Saxon-HE</artifactId>
-      <version>10.6</version>
+      <version>12.1</version>
       <scope>runtime</scope>
     </dependency>
     <dependency>