Bump de.digitalcollections:iiif-server-hymir from 5.1.12 to 5.1.13

Bumps [de.digitalcollections:iiif-server-hymir](https://github.com/dbmdz/iiif-server-hymir) from 5.1.12 to 5.1.13.
- [Release notes](https://github.com/dbmdz/iiif-server-hymir/releases)
- [Changelog](https://github.com/dbmdz/iiif-server-hymir/blob/main/CHANGES.md)
- [Commits](dbmdz/iiif-server-hymir@5.1.12...5.1.13)

---
updated-dependencies:
- dependency-name: de.digitalcollections:iiif-server-hymir
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

pom.xml

@@ -61,7 +61,7 @@
     <dependency>
       <groupId>de.digitalcollections</groupId>
       <artifactId>iiif-server-hymir</artifactId>
-      <version>5.1.12</version>
+      <version>5.1.13</version>
     </dependency>
     <dependency>
       <groupId>org.junit.jupiter</groupId>