CI: fix the path in a comment

Signed-off-by: Raluca Chis <raluca.chis@analog.com>

Author: Raluca Chis

azure-pipelines.yml

@@ -1,5 +1,5 @@
 # If you make changes to builds or artifacts, please check and update the following files if needed:
-# README.md, CI/travis/prepare_assets.sh, artifact_manifest.txt.cmakein, CI/publish_deps.ps1
+# README.md, CI/azure/prepare_assets.sh, artifact_manifest.txt.cmakein, CI/publish_deps.ps1
 
 trigger:
   branches: