Bump underscore from 1.49 to 1.78

Bumps [underscore](https://github.com/javadev/underscore-java) from 1.49 to 1.78.
- [Release notes](https://github.com/javadev/underscore-java/releases)
- [Commits](javadev/underscore-java@v1.49...v1.78)

---
updated-dependencies:
- dependency-name: com.github.javadev:underscore
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

core/pom.xml

@@ -24,7 +24,7 @@
         <dependency>
             <groupId>com.github.javadev</groupId>
             <artifactId>underscore</artifactId>
-            <version>1.49</version>
+            <version>1.78</version>
         </dependency>
 
         <dependency>