Bump exist-apps-parent from 1.9.0 to 1.9.1

Bumps [exist-apps-parent](https://github.com/exist-db/exist-apps-parent) from 1.9.0 to 1.9.1.
- [Release notes](https://github.com/exist-db/exist-apps-parent/releases)
- [Commits](eXist-db/exist-apps-parent@1.9.0...1.9.1)

Signed-off-by: dependabot-preview[bot] <[email protected]>

Author: dependabot-preview[bot]

pom.xml

@@ -6,7 +6,7 @@
     <parent>
         <groupId>org.exist-db</groupId>
         <artifactId>exist-apps-parent</artifactId>
-        <version>1.9.0</version>
+        <version>1.9.1</version>
         <relativePath />
     </parent>