replace @changesets/cli with primer-changesets-cli

.github/workflows/changesets.yml

@@ -0,0 +1,13 @@
+name: Changesets
+'on':
+  pull_request:
+    types: [opened, synchronize, reopened, labeled, unlabeled]
+
+jobs:
+  validate:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+      - uses: gr2m/primer-release-changesets-validator-action@v1

.github/workflows/release.yml

@@ -33,6 +33,10 @@ jobs:
           npm ci
           bundle install
 
+      # `changesets/action` depends on @changesets/cli being installed
+      # and we cannot add it as dependency because it conflicts with `primer-changesets-cli`
+      - run: npm install @changesets/[email protected]
+
       - name: Create release pull request or publish to npm
         id: changesets
         uses: changesets/action@v1