Bump net.sf.saxon:Saxon-HE from 9.9.1-7 to 12.3

Bumps net.sf.saxon:Saxon-HE from 9.9.1-7 to 12.3.

---
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

@@ -207,7 +207,7 @@ POSSIBILITY OF SUCH DAMAGE.
     <dependency>
       <groupId>net.sf.saxon</groupId>
       <artifactId>Saxon-HE</artifactId>
-      <version>9.9.1-7</version>
+      <version>12.3</version>
     </dependency>
     <dependency>
       <groupId>commons-cli</groupId>