fix(pipeline): resolve eslint type error in payload migration endpoint

app/api/payload/migrate/route.ts

@@ -22,8 +22,14 @@ export async function POST(req: Request) {
       success: true,
       message: "Migrations executed successfully.",
     });
-  } catch (error: any) {
+  } catch (error) {
     logger.error("Failed to run migrations remotely", { error });
-    return NextResponse.json({ error: error.message }, { status: 500 });
+    return NextResponse.json(
+      {
+        error:
+          error instanceof Error ? error.message : "Unknown error occurred",
+      },
+      { status: 500 },
+    );
   }
 }