chore: update release-level in .repo-metadata.json (#795)

Neenu1995 · web-flow · commit df87de5e135f · 2022-01-13T18:00:29.000-05:00
diff --git a/java-storage-nio/.repo-metadata.json b/java-storage-nio/.repo-metadata.json
@@ -4,7 +4,7 @@
   "api_description": "provides a Google Cloud Storage extension for Java's NIO Filesystem.",
   "product_documentation": "https://cloud.google.com/storage/docs",
   "client_documentation": "https://cloud.google.com/java/docs/reference/google-cloud-nio/latest/history",
-  "release_level": "beta",
+  "release_level": "preview",
   "language": "java",
   "repo": "googleapis/java-storage-nio",
   "repo_short": "java-storage-nio",
