Bump version for release

Bump version to 2.1.1 and add Sean to list of contributors.

Signed-off-by: J.R. Garcia <jrg@vmware.com>

Author: J.R. Garcia

CONTRIBUTORS.md

@@ -31,6 +31,7 @@
 * Rich Lane <rlane@club.cc.cmu.edu>
 * Rich Lane <rlane@vmware.com>
 * Scott J. Goldman <scottjg@vmware.com>
+* Sean Dilda <sean@duke.edu>
 * Shawn Hartsock <hartsock@users.noreply.github.com>
 * Shawn Hartsock <hartsocks@vmware.com>
 * Shawn Hartsock <shawn.hartsock@gmail.com>

lib/rbvmomi/version.rb

@@ -2,5 +2,5 @@
 # SPDX-License-Identifier: MIT
 
 module RbVmomi
-  VERSION = '2.1.0'.freeze
+  VERSION = '2.1.1'.freeze
 end