No-op on GHES

src/utils/actionUtils.ts

@@ -2,6 +2,13 @@ import * as core from "@actions/core";
 
 import { Outputs, RefKey, State } from "../constants";
 
+export function isGhes(): boolean {
+    const ghUrl = new URL(
+        process.env["GITHUB_SERVER_URL"] || "https://github.com"
+    );
+    return ghUrl.hostname.toUpperCase() !== "GITHUB.COM";
+}
+
 export function isExactKeyMatch(key: string, cacheKey?: string): boolean {
     return !!(
         cacheKey &&