Bump joda-time from 2.10.6 to 2.10.8 (#573)

Bumps [joda-time](https://github.com/JodaOrg/joda-time) from 2.10.6 to 2.10.8.
- [Release notes](https://github.com/JodaOrg/joda-time/releases)
- [Changelog](https://github.com/JodaOrg/joda-time/blob/master/RELEASE-NOTES.txt)
- [Commits](JodaOrg/joda-time@v2.10.6...v2.10.8)

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

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

Author: dependabot[bot]

typescript-generator-core/pom.xml

@@ -171,7 +171,7 @@
         <dependency>
             <groupId>joda-time</groupId>
             <artifactId>joda-time</artifactId>
-            <version>2.10.6</version>
+            <version>2.10.8</version>
             <scope>test</scope>
         </dependency>
         <dependency>