Update scripts/add_required_checks.py

Co-authored-by: Emídio Neto <[email protected]>

scripts/add_required_checks.py

@@ -26,7 +26,7 @@
     headers={
         "Accept": "application/vnd.github.v3+json",
         # The token has to be created in Github, and exported to the
-        # environment variable below. When creating the token, tthe resource
+        # environment variable below. When creating the token, the resource
         # owner must be open-telemetry, the access must be for the repo above,
         # and read and write permissions must be granted for administration
         # permissions and read permissions must be granted for metadata