Moved token to env variable

app/script.py

@@ -1,3 +1,5 @@
+import os
+import sys
 import requests
 from flask import Flask, request
 from prometheus_client import generate_latest, Gauge, CollectorRegistry
@@ -17,7 +19,10 @@ github_latest_release_metric = Gauge(
 )
 
 # GitHub API token (replace with your actual token)
-github_api_token = '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'
+github_api_token = os.environ.get('GITHUB_TOKEN')
+
+if github_api_token is None:
+    sys.exit("Env variable GITHUB_TOKEN not found!")
 
 # Function to fetch the latest release version or the latest tag from GitHub
 def get_latest_version(repo_url):