Switch auth token env var for pipeline

compatibility

Updated the environment variable for authentication to align with the
pipeline's token-naming conventions, improving integration and
consistency across our automated workflows. Error messaging reflects
this change for clarity during troubleshooting.

scripts/chores.py

@@ -10,9 +10,9 @@ from datetime import datetime, timedelta
 FORGEJO_URL = os.environ.get("FORGEJO_URL", "https://git.private.coffee")
 
 try:
-    TOKEN = os.environ["FORGEJO_TOKEN"]
+    TOKEN = os.environ["PIPELINES_TOKEN"]
 except KeyError:
-    logging.error("FORGEJO_TOKEN environment variable is required")
+    logging.error("PIPELINES_TOKEN environment variable is required")
     exit(1)
 
 ASSIGNEES = os.environ.get("CHORES_ASSIGNEES", "").split()