Bump org.openrefine:main from 3.8.2 to 3.8.4 (#147)

Bumps [org.openrefine:main](https://github.com/OpenRefine/OpenRefine) from 3.8.2 to 3.8.4.
- [Release notes](https://github.com/OpenRefine/OpenRefine/releases)
- [Commits](OpenRefine/OpenRefine@3.8.2...3.8.4)

---
updated-dependencies:
- dependency-name: org.openrefine:main
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

pom.xml

@@ -20,7 +20,7 @@
   </licenses>
 
   <properties>
-    <openrefine.version>3.8.2</openrefine.version>
+    <openrefine.version>3.8.4</openrefine.version>
     <jackson.version>2.18.0</jackson.version>
     <wdtk.version>0.12.1-SNAPSHOT</wdtk.version>
     <swc-parser-lazy.version>3.1.9</swc-parser-lazy.version>