Add cloud-sql-sqlserver plugin

.claude-plugin/marketplace.json

@@ -659,6 +659,20 @@
       },
       "homepage": "https://cloud.google.com/sql"
     },
+    {
+      "name": "cloud-sql-sqlserver",
+      "description": "Connect to Cloud SQL for SQL Server",
+      "author": {
+        "name": "Google LLC"
+      },
+      "category": "database",
+      "source": {
+        "source": "url",
+        "url": "https://github.com/gemini-cli-extensions/cloud-sql-sqlserver.git",
+        "sha": "8e1490ec8f659a5711655d2fa4241597a63d4883"
+      },
+      "homepage": "https://github.com/gemini-cli-extensions/cloud-sql-sqlserver"
+    },
     {
       "name": "cloudflare",
       "source": {
@@ -2448,20 +2462,6 @@
       },
       "homepage": "https://sourcegraph.com"
     },
-    {
-      "name": "spanner",
-      "description": "Connect and interact with Spanner data using natural language.",
-      "author": {
-        "name": "Google LLC"
-      },
-      "category": "database",
-      "source": {
-        "source": "url",
-        "url": "https://github.com/gemini-cli-extensions/spanner.git",
-        "sha": "d4678e2bc04f60f3dfcdb6b916df28e63a0d615f"
-      },
-      "homepage": "https://github.com/gemini-cli-extensions/spanner"
-    },
     {
       "name": "spotify-ads-api",
       "description": "Manage Spotify ad campaigns with natural language. Create campaigns, ad sets, ads, pull reports, and handle OAuth — all through conversation.",