Bump RoaringBitmap from 0.9.27 to 0.9.28 in /symja_android_library

Bumps [RoaringBitmap](https://github.com/RoaringBitmap/RoaringBitmap) from 0.9.27 to 0.9.28.
- [Release notes](https://github.com/RoaringBitmap/RoaringBitmap/releases)
- [Commits](RoaringBitmap/RoaringBitmap@0.9.27...0.9.28)

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

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

symja_android_library/pom.xml

@@ -317,7 +317,7 @@
 			<dependency>
 				<groupId>org.roaringbitmap</groupId>
 				<artifactId>RoaringBitmap</artifactId>
-				<version>0.9.27</version>
+				<version>0.9.28</version>
 			</dependency>
 
 			<dependency>