chore: change release line from 'master' to 'teak' (openedx#37312)

Author: felipemontoya

openedx/core/release.py

@@ -8,7 +8,7 @@
 # The release line: an Open edX release name ("ficus"), or "master".
 # This should always be "master" on the master branch, and will be changed
 # manually when we start release-line branches, like open-release/ficus.master.
-RELEASE_LINE = "master"
+RELEASE_LINE = "teak"
 
 
 def doc_version():