Fix release notes check action (#2726)

* fix release notes check action

* update release notes

.github/workflows/release_notes_updated.yaml

@@ -14,14 +14,15 @@ jobs:
           REF: ${{ github.event.pull_request.head.ref }}
         run: |
           from re import compile
+          import os
           main = '^main$'
           release = '^release_v\d+\.\d+\.\d+$'
           backport = '^backport_v\d+\.\d+\.\d+$'
           dep_update = '^latest-dep-update-[a-f0-9]{7}$'
           min_dep_update = '^min-dep-update-[a-f0-9]{7}$'
           regex = main, release, backport, dep_update, min_dep_update
           patterns = list(map(compile, regex))
-          ref = "$REF"
+          ref = os.environ["REF"]
           is_dev = not any(pattern.match(ref) for pattern in patterns)
           print('::set-output name=is_dev::' + str(is_dev))
       - if: ${{ steps.branch.outputs.is_dev == 'true' }}

docs/source/release_notes.rst

@@ -19,6 +19,7 @@ Future Release
         * Fix serialization test to work with pytest 8.1.1 (:pr:`2694`)
         * Update to allow minimum dependency checker to run properly (:pr:`2709`)
         * Update pull request check CI action (:pr:`2720`)
+        * Update release notes updated check CI action (:pr:`2726`)
 
     Thanks to the following people for contributing to this release:
     :user:`thehomebrewnerd`