[skip ci] update config.yml

[skip ci]

Author: nkumar-topcoder

.circleci/config.yml

@@ -11,7 +11,7 @@ install_dependency: &install_dependency
 install_deploysuite: &install_deploysuite
   name: Installation of install_deploysuite.
   command: |
-    git clone --branch v1.4.6 https://github.com/topcoder-platform/tc-deploy-scripts ../buildscript
+    git clone --branch master https://github.com/topcoder-platform/tc-deploy-scripts ../buildscript
     cp ./../buildscript/master_deploy.sh .
     cp ./../buildscript/buildenv.sh .
     cp ./../buildscript/awsconfiguration.sh .