Bump RoaringBitmap from 0.9.30 to 0.9.31 (#316)

Bumps [RoaringBitmap](https://github.com/RoaringBitmap/RoaringBitmap) from 0.9.30 to 0.9.31.
- [Release notes](https://github.com/RoaringBitmap/RoaringBitmap/releases)
- [Commits](https://github.com/RoaringBitmap/RoaringBitmap/compare/0.9.30...0.9.31)

---
updated-dependencies:
- dependency-name: org.roaringbitmap:RoaringBitmap
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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planetiler-core/pom.xml

@@ -31,7 +31,7 @@
     <dependency>
       <groupId>org.roaringbitmap</groupId>
       <artifactId>RoaringBitmap</artifactId>
-      <version>0.9.30</version>
+      <version>0.9.31</version>
     </dependency>
     <dependency>
       <groupId>com.google.protobuf</groupId>