Added keys for MongoDB 4.0 and 4.2.

Author: jgrancell

manifests/repo.pp

@@ -57,6 +57,8 @@
           default => undef
         }
         $key = "${mongover[0]}.${mongover[1]}" ? {
+          '4.2'   => 'E162F504A20CDF15827F718D4B7C549A058F8B6B',
+          '4.0'   => '9DA31620334BD75D9DCB49F368818C72E52529D4',
           '3.6'   => '2930ADAE8CAF5059EE73BB4B58712A2291FA4AD5',
           '3.4'   => '0C49F3730359A14518585931BC711F9BA15703C6',
           '3.2'   => '42F3E95A2C4F08279C4960ADD68FA50FEA312927',