eng, use dev feed for set_versions.py

Author: weidongxu-microsoft

eng/versioning/set_versions.py

@@ -328,7 +328,7 @@ def increment_or_set_library_version(artifact_id, group_id, new_version=None):
 def get_beta_version_to_use(group_id: str, artifact_id: str, major_version: int, minor_version: int):
     # Pull version information from Maven central to determine which beta version to use.
     # If beta.1 exists then use beta.2, etc. If beta.1 doesn't exist then use beta.1
-    url = 'https://repo1.maven.org/maven2/{}/{}/maven-metadata.xml'.format(group_id.replace('.', '/'), artifact_id)
+    url = 'https://pkgs.dev.azure.com/azure-sdk/public/_packaging/azure-sdk-for-java/maven/v1/{}/{}/maven-metadata.xml'.format(group_id.replace('.', '/'), artifact_id)
     headers = { "Content-signal": "search=yes,ai-train=no", "User-Agent": "azure-sdk-for-java" }
     with urllib.request.urlopen(urllib.request.Request(url=url, method='GET', headers=headers)) as f:
         if (f.status != 200):