Add setter method to set GitHub token

pipeline.py

@@ -100,13 +100,16 @@ class RepoEmbeddingPipeline(Pipeline):
         self.API_HEADERS = {"Accept": "application/vnd.github+json"}
         if not github_token:
             print(
-                "[!] Consider setting GITHUB_TOKEN to avoid hitting rate limits\n"
+                "[!] Consider setting GitHub token to avoid hitting rate limits\n"
                 "For more info, see:"
                 "https://docs.github.com/authentication/keeping-your-account-and-data-secure/creating-a-personal-access-token"
             )
         else:
-            self.API_HEADERS["Authorization"] = f"Bearer {github_token}"
-            print("[+] Using GITHUB_TOKEN for authentication")
+            self.set_github_token(github_token)
+
+    def set_github_token(self, github_token):
+        self.API_HEADERS["Authorization"] = f"Bearer {github_token}"
+        print("[+] GitHub token set")
 
     def _sanitize_parameters(self, **kwargs):
         _forward_kwargs = {}