docs: Update CONTRIBUTORS.md with the latest contributors (#511)

This PR updates the ``CONTRIBUTORS.md`` file with the latest
contributors.

Author: pyansys-ci-bot

CONTRIBUTORS.md

@@ -6,11 +6,17 @@
 
 ## Individual Contributors
 
-* [Adam Boutin](https://github.com/ansaboutin)
-* [Alexander Carvalho](https://github.com/acarvalh-work)
+* [Anurag Kulshrestha](https://github.com/akulshre-qa)
 * [Aseem Jain](https://github.com/ajain-work)
 * [Dan Williams](https://github.com/dnwillia-work)
+* [Elijah Gravenhorst](https://github.com/egravenh)
+* [German](https://github.com/germa89)
 * [Harshal Pohekar](https://github.com/hpohekar)
+* [Jorge Martínez](https://github.com/jorgepiloto)
+* [Kathy Pippert](https://github.com/PipKat)
 * [Mainak Kundu](https://github.com/mkundu1)
 * [Prithwish Mukherjee](https://github.com/prmukherj)
 * [Raphael Luciano](https://github.com/raph-luc)
+* [Roberto Pastor Muela](https://github.com/RobPasMue)
+* [Yogesh Patel](https://github.com/ypatel-qa)
+* [alikasim72](https://github.com/alikasim72)