chore: try to use default again

Author: jef

action.yaml

@@ -15,6 +15,7 @@ inputs:
   token:
     required: false
     description: Access token to the repository. If not set, the action will use the default GitHub Actions token at runtime.
+    default: ${{ github.token }}
   subject_pattern:
     required: false
     description: A regex pattern to validate the subject of the commit message.

src/github.ts

@@ -8,9 +8,9 @@ let once = false;
 
 function getClient(): InstanceType<typeof GitHub> {
   if (once) return octokit;
-  let token = getInput("token");
+  const token = getInput("token") || process.env["GITHUB_TOKEN"] || "";
   if (!token) {
-    token = process.env["GITHUB_TOKEN"] || "";
+    throw new Error("GitHub token is required but not provided.");
   }
   setSecret(token);