Fix references to cli default branch to use main.

Author: reedr3

ci/cli-v8/pipeline.yml

@@ -34,7 +34,7 @@ resources:
   icon: console
   source:
     uri: https://github.com/cloudfoundry/cli
-    branch: master
+    branch: main
 
 - name: cf-cli-binaries
   type: s3

ci/license/NOTICE

@@ -9,28 +9,28 @@ You may not use this project except in compliance with the License.
 
 Attribution notices:
 
-This product includes software from https://github.com/cloudfoundry/cli/tree/master/vendor/code.cloudfoundry.org/gofileutils/fileutils that is:
+This product includes software from https://github.com/cloudfoundry/cli/tree/main/vendor/code.cloudfoundry.org/gofileutils/fileutils that is:
 Copyright (c) 2015-Present CloudFoundry.org Foundation, Inc. All Rights Reserved.
 Copyright (c) 2014-2015 Pivotal Software, Inc.
 and is licensed under the Apache License, Version 2.0.
 
-This product includes software from https://github.com/code.cloudfoundry.org/cli/tree/master/vendor/code.cloudfoundry.org/ykk that is:
+This product includes software from https://github.com/code.cloudfoundry.org/cli/tree/main/vendor/code.cloudfoundry.org/ykk that is:
 Copyright (c) 2015-Present CloudFoundry.org Foundation, Inc. All Rights Reserved.
 and is licensed under the Apache License, Version 2.0.
 
-This product includes software from https://github.com/code.cloudfoundry.org/cli/tree/master/vendor/code.cloudfoundry.org/cfnetworking-cli-api that is:
+This product includes software from https://github.com/code.cloudfoundry.org/cli/tree/main/vendor/code.cloudfoundry.org/cfnetworking-cli-api that is:
 Copyright (c) 2016-Present CloudFoundry.org Foundation, Inc. All Rights Reserved.
 and is licensed under the Apache License, Version 2.0.
 
-This product includes software from https://github.com/cloudfoundry/cli/tree/master/vendor/github.com/cloudfoundry/cli-plugin-repo/web that is:
+This product includes software from https://github.com/cloudfoundry/cli/tree/main/vendor/github.com/cloudfoundry/cli-plugin-repo/web that is:
 Copyright (c) 2015-Present CloudFoundry.org Foundation, Inc. All Rights Reserved.
 Copyright (c) 2015 Pivotal Software, Inc.
 and is licensed under the Apache License, Version 2.0.
 
-This product includes software from https://github.com/cloudfoundry/cli/tree/master/vendor/github.com/cloudfoundry/dropsonde that is:
+This product includes software from https://github.com/cloudfoundry/cli/tree/main/vendor/github.com/cloudfoundry/dropsonde that is:
 Copyright (c) 2014-2015 Pivotal Software, Inc.
 and is licensed under the Apache License, Version 2.0.
 
-This product includes software from https://github.com/cloudfoundry/cli/tree/master/vendor/github.com/docker/docker/pkg/term that is:
+This product includes software from https://github.com/cloudfoundry/cli/tree/main/vendor/github.com/docker/docker/pkg/term that is:
 Copyright 2012-2016 Docker, Inc.
 and is licensed under the Apache License, Version 2.0.