build: kickoff the Palm release

This kicks off the Palm release!

We follow the instructions from:
https://openedx.atlassian.net/wiki/spaces/COMM/pages/19662426/Process+to+Create+an+Open+edX+Release

.github/pull_request_template.md

@@ -1,24 +1,3 @@
-<!--
-
-🎉🎉 Olive has been released! 🎉🎉
-
-🫒🫒
-🫒🫒🫒🫒         🫒 Note: Olive is in support. Fixes you make on master may still
-    🫒🫒🫒🫒     be needed on Olive. If so, make another pull request against the
-🫒🫒🫒🫒         open-release/olive.master branch, or ping @nedbat for help or questions.
-🫒🫒
-
-Please give your pull request a short but descriptive title.
-Use conventional commits to separate and summarize commits logically:
-https://open-edx-proposals.readthedocs.io/en/latest/oep-0051-bp-conventional-commits.html
-
-Use this template as a guide. Omit sections that don't apply.
-You may link to information rather than copy it, but only if the link is publicly
-readable.  If you must linked information must be private (because it has secrets),
-clearly label the link as private.
-
--->
-
 ## Description
 
 Describe what this pull request changes, and why. Include implications for people using this change.

.tx/config

@@ -67,3 +67,14 @@ source_file = conf/locale/en/LC_MESSAGES/wiki.po
 source_lang = en
 type        = PO
 
+[o:open-edx:p:open-edx-releases:r:release-palm]
+file_filter = conf/locale/<lang>/LC_MESSAGES/django.po
+source_file = conf/locale/en/LC_MESSAGES/django.po
+source_lang = en
+type = PO
+
+[o:open-edx:p:open-edx-releases:r:release-palm-js]
+file_filter = conf/locale/<lang>/LC_MESSAGES/djangojs.po
+source_file = conf/locale/en/LC_MESSAGES/djangojs.po
+source_lang = en
+type = PO

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 = "palm"
 
 
 def doc_version():