Update app.py

Linkedin Add Course button shows old name, same might be in ENV as well!

app.py

@@ -19,11 +19,11 @@ from huggingface_hub import whoami
 import asyncio
 from functools import partial
 
-EXAM_DATASET_ID = os.getenv("EXAM_DATASET_ID") or "agents-course/unit_1_quiz"
+EXAM_DATASET_ID = os.getenv("EXAM_DATASET_ID") or "mcp-course/unit_1_quiz"
 EXAM_MAX_QUESTIONS = os.getenv("EXAM_MAX_QUESTIONS") or 1
 EXAM_PASSING_SCORE = os.getenv("EXAM_PASSING_SCORE") or 0.8
 CERTIFYING_ORG_LINKEDIN_ID = os.getenv("CERTIFYING_ORG_LINKEDIN_ID", "000000")
-COURSE_TITLE = os.getenv("COURSE_TITLE", "AI Agents Fundamentals")
+COURSE_TITLE = os.getenv("COURSE_TITLE", "MCP Course")
 
 ds = load_dataset(EXAM_DATASET_ID, split="train")