Merge pull request #1229 from Shopify/dependabot/github_actions/changesets/action-1.9.0

Bump changesets/action from 1.8.0 to 1.9.0

Author: graygilmore

.github/workflows/release.yml

@@ -68,7 +68,7 @@ jobs:
 
       - name: Create Release Pull Request or Publish to npm
         id: changesets
-        uses: changesets/action@63a615b9cd06ba9a3e6d13796c7fbcb080a60a0b # v1.8.0
+        uses: changesets/action@a45c4d594aa4e2c509dc14a9f2b3b67ba3780d0d # v1.9.0
         with:
           # Put date in the title and commit message
           title: "Theme Tools Release — ${{ steps.date.outputs.date }}"