Rename db config file

Author: norascheuch

extensions/ql-vscode/package.json

@@ -92,7 +92,7 @@
     },
     "jsonValidation": [
       {
-        "fileMatch": "workspace-databases.json",
+        "fileMatch": "databases.json",
         "url": "./databases-schema.json"
       }
     ],

extensions/ql-vscode/src/databases/config/db-config-store.ts

@@ -32,7 +32,7 @@ import {
 } from "../db-item";
 
 export class DbConfigStore extends DisposableObject {
-  static readonly databaseConfigFileName = "workspace-databases.json";
+  static readonly databaseConfigFileName = "databases.json";
 
   public readonly onDidChangeConfig: AppEvent<void>;
   private readonly onDidChangeConfigEventEmitter: AppEventEmitter<void>;