Refactored configuration loading function.

src/cli/commands/login.ts

@@ -1,7 +1,7 @@
 // SPDX-License-Identifier: MIT
 
 import { login } from "../../azure/index.ts";
-import { loadPublicConfig } from "../../index.ts";
+import { loadConfig } from "../../index.ts";
 
 import type { CommandValues } from "./types.ts";
 
@@ -17,7 +17,7 @@ Options:
 }
 
 export async function runLoginCommand(values: CommandValues): Promise<unknown> {
-  const config = await loadPublicConfig();
+  const config = await loadConfig("public-config");
   return login({
     tenantId: config.tenantId,
     clientId: config.clientId,