Bump com.googlecode.libphonenumber:libphonenumber in /sormas-base

Bumps [com.googlecode.libphonenumber:libphonenumber](https://github.com/google/libphonenumber) from 8.13.3 to 8.13.21.
- [Release notes](https://github.com/google/libphonenumber/releases)
- [Changelog](https://github.com/google/libphonenumber/blob/master/making-metadata-changes.md)
- [Commits](google/libphonenumber@v8.13.3...v8.13.21)

---
updated-dependencies:
- dependency-name: com.googlecode.libphonenumber:libphonenumber
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

sormas-base/pom.xml

@@ -632,7 +632,7 @@
 			<dependency>
 				<groupId>com.googlecode.libphonenumber</groupId>
 				<artifactId>libphonenumber</artifactId>
-				<version>8.13.3</version>
+				<version>8.13.21</version>
 			</dependency>
 
 			<dependency>