Fix JetBrains GitHub token resolution (#1224)

Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com>

src/distributions/jetbrains/installer.ts

@@ -14,6 +14,7 @@ import {
 import {
   cacheJdkDir,
   extractJdkFile,
+  getGitHubToken,
   getNextPageUrlFromLinkHeader,
   isVersionSatisfies,
   MAX_PAGINATION_PAGES,
@@ -108,10 +109,12 @@ export class JetBrainsDistribution extends JavaBase {
     }
 
     const rawVersions: IJetBrainsRawVersion[] = [];
-    const bearerToken = process.env.GITHUB_TOKEN;
-    const requestHeaders: OutgoingHttpHeaders = {};
+    const bearerToken = getGitHubToken();
+    const requestHeaders: OutgoingHttpHeaders = {
+      Accept: 'application/vnd.github+json'
+    };
     if (bearerToken) {
-      requestHeaders['Authorization'] = `Bearer ${bearerToken}`;
+      requestHeaders.Authorization = `Bearer ${bearerToken}`;
     }
     let releasesUrl: string | null = JETBRAINS_RELEASES_URL;
     let pageCount = 0;

src/util.ts

@@ -544,8 +544,12 @@ export function getArtifactFingerprint(
   return undefined;
 }
 
+export function getGitHubToken(): string | undefined {
+  return core.getInput('token') || process.env.GITHUB_TOKEN;
+}
+
 export function getGitHubHttpHeaders(): OutgoingHttpHeaders {
-  const resolvedToken = core.getInput('token') || process.env.GITHUB_TOKEN;
+  const resolvedToken = getGitHubToken();
   const auth = !resolvedToken ? undefined : `token ${resolvedToken}`;
 
   const headers: OutgoingHttpHeaders = {