Create a draft release on 'Cut release' PR merge (#2238)

* WIP: automate release, get PR info from commit

* Get version from PR title in script

* Add create release script call under comment, will wait for next release to test

* Test with v0.19.0

* Change to draft

* Clean up after v0.19.0 test

* Test for v0.19.1

* Clean up after test

---------

Co-authored-by: Jess Frazelle <jessfraz@users.noreply.github.com>

.github/workflows/create-release.yml

@@ -0,0 +1,37 @@
+name: Create Release
+
+on:
+  push:
+    branches:
+      - main
+
+jobs:
+  create-release:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write
+      pull-requests: read
+    if: contains(github.event.head_commit.message, 'Cut release v')
+    steps:
+      - uses: actions/github-script@v7
+        name: Read Cut release PR info and create release
+        with:
+          script: |
+            const { owner, repo, sha } = context.repo
+            const pulls = await github.rest.repos.listPullRequestsAssociatedWithCommit({
+              owner,
+              repo,
+              commit_sha: sha,
+            })
+            const { title, body } = pulls.data[0]
+            const version = title.split('Cut release ')[1]
+
+            const result = await github.rest.repos.createRelease({
+              owner,
+              repo,
+              body,
+              tag_name: version,
+              name: version,
+              draft: true,
+            })
+            console.log(result)