Remove yarn

.github/workflows/tag-prerelease.yml

@@ -38,7 +38,7 @@ jobs:
           # setup the username and email.
           git config --global user.name "Budibase Staging Release Bot"
           git config --global user.email "<>"
-          yarn lerna version prerelease --no-git-tag-version --force-publish --no-push --y
+          lerna version prerelease --no-git-tag-version --force-publish --no-push --y
           git add lerna.json
           git commit -m 'Update version'
           git push