Fix pipeline no enough disk space to download artifact issue (#287)

Fix pipeline no enough disk space to download artifact issue.

#### Work item tracking
Microsoft ADO (number only): 24624663

**- What I did**
Fix pipeline no enough disk space to download artifact issue.

**- How I did it**
Improve pipeline to only download *.deb and *.whl 

**- How to verify it**
Pass all UT

**- Description for the changelog**
Fix pipeline no enough disk space to download artifact issue.

Author: liuh-80

azure-pipelines.yml

@@ -42,6 +42,9 @@ stages:
         artifact: sonic-buildimage.vs
         runVersion: 'latestFromBranch'
         runBranch: 'refs/heads/master'
+        patterns: |
+          **/*.whl
+          **/*.deb
       displayName: "Download sonic buildimage"
 
     - script: |