Fix octokit definition object

Signed-off-by: CrazyMax <crazy-max@users.noreply.github.com>

src/github.ts

@@ -1,18 +1,18 @@
 import * as github from '@actions/github';
 import {Context} from '@actions/github/lib/context';
-import {ReposGetResponseData} from '@octokit/types';
+import {components as OctoOpenApiTypes} from '@octokit/openapi-types';
+
+export type ReposGetResponseData = OctoOpenApiTypes['schemas']['repository'];
 
 export function context(): Context {
   return github.context;
 }
 
 export async function repo(token: string): Promise<ReposGetResponseData> {
-  const octokit = github.getOctokit(token);
-  const repo = await octokit.repos.get({
-    ...github.context.repo
-  });
-  if (!repo?.data) {
-    throw new Error('Cannot get GitHub repository');
-  }
-  return repo.data;
+  return github
+    .getOctokit(token)
+    .rest.repos.get({
+      ...github.context.repo
+    })
+    .then(response => response.data as ReposGetResponseData);
 }