Add mapstructure third party notice

Author: yahavi

THIRD_PARTY_NOTICES

@@ -9,7 +9,8 @@ JFrog
     2.  google/go-github (https://github.com/google/go-github) - Copyright (c) 2013, The go-github AUTHORS; Licensed under BSD 3-Clause "New" or "Revised" License (https://github.com/google/go-github/blob/master/LICENSE)
     3.  google/uuid (https://github.com/google/uuid) - Copyright (c) 2009,2014 Google Inc; Licensed under BSD 3-Clause "New" or "Revised" License (https://github.com/google/uuid/blob/master/LICENSE)
     4.  ktrysmt/go-bitbucket (https://github.com/ktrysmt/go-bitbucket) - Licensed under Apache License 2.0 (https://github.com/ktrysmt/go-bitbucket/blob/master/LICENSE)
-    5.  gfleury/go-bitbucket-v1 (https://github.com/gfleury/go-bitbucket-v1) - Copyright (c) 2018 George S. Fleury, Licensed under MIT (https://github.com/gfleury/go-bitbucket-v1/blob/master/LICENSE)
+    5.  gfleury/go-bitbucket-v1 (https://github.com/gfleury/go-bitbucket-v1) - Copyright (c) 2018 George S. Fleury, Licensed under MIT License (https://github.com/gfleury/go-bitbucket-v1/blob/master/LICENSE)
     6.  xanzy/go-gitlab (https://github.com/xanzy/go-gitlab) - Licensed under Apache License 2.0 (https://github.com/xanzy/go-gitlab/blob/master/LICENSE)
     7.  golang.org/x/crypto (https://cs.opensource.google/go/x/crypto) - Copyright (c) 2009 The Go Authors; Licensed under BSD-3-Clause License (https://cs.opensource.google/go/x/crypto/+/master:LICENSE)
-    8.  golang.org/x/oauth2 (https://cs.opensource.google/go/x/oauth2) - Copyright (c) 2009 The Go Authors; Licensed under BSD-3-Clause License (https://cs.opensource.google/go/x/oauth2/+/master:LICENSE)
+    8.  golang.org/x/oauth2 (https://cs.opensource.google/go/x/oauth2) - Copyright (c) 2009 The Go Authors; Licensed under BSD-3-Clause License (https://cs.opensource.google/go/x/oauth2/+/master:LICENSE)
+    9.  mitchellh/mapstructure (https://github.com/mitchellh/mapstructure) - Copyright (c) 2013 Mitchell Hashimoto; Licensed under MIT License (https://github.com/mitchellh/mapstructure/blob/master/LICENSE)