fix(deps): bump net.sf.jstuff:jstuff-core from 7.6.0 to 7.7.1

Bumps [net.sf.jstuff:jstuff-core](https://github.com/sebthom/jstuff) from 7.6.0 to 7.7.1.
- [Commits](sebthom/jstuff@7.6.0...7.7.1)

---
updated-dependencies:
- dependency-name: net.sf.jstuff:jstuff-core
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

pom.xml

@@ -262,7 +262,7 @@
          <dependency>
             <groupId>net.sf.jstuff</groupId>
             <artifactId>jstuff-core</artifactId>
-            <version>7.6.0</version>
+            <version>7.7.1</version>
             <type>pom</type>
             <scope>import</scope>
          </dependency>