Bump net.sf.saxon:Saxon-HE from 9.8.0-14 to 9.9.1-8

Bumps net.sf.saxon:Saxon-HE from 9.8.0-14 to 9.9.1-8.

---
updated-dependencies:
- dependency-name: net.sf.saxon:Saxon-HE
  dependency-version: 9.9.1-8
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

pom.xml

@@ -245,7 +245,7 @@
         <dependency>
             <groupId>net.sf.saxon</groupId>
             <artifactId>Saxon-HE</artifactId>
-            <version>9.8.0-14</version>
+            <version>9.9.1-8</version>
         </dependency>
         <dependency>
             <groupId>javax.xml.bind</groupId>