add missing contributors for 0.13.1

Author: kandersolar

docs/sphinx/source/whatsnew/v0.13.1.rst

@@ -70,3 +70,9 @@ Contributors
 * Mikaella Brewer (:ghuser:`brwerx`)
 * Will Holmgren (:ghuser:`wholmgren`)
 * Jeremy Lucas (:ghuser:`jerluc`)
+* Adam R. Jensen (:ghuser:`AdamRJensen`)
+* Will Hobbs (:ghuser:`williamhobbs`)
+* Echedey Luis (:ghuser:`echedey-ls`)
+* Anton Driesse (:ghuser:`adriesse`)
+* Mark Mikofski (:ghuser:`mikofski`)
+* Mathias Aschwanden (:ghuser:`maschwanden`)