ci: add Bun setup step to CI workflow

Author: minosss

.github/workflows/cicd.yml

@@ -20,6 +20,9 @@ jobs:
         with:
           node-version-file: '.nvmrc'
           cache: 'pnpm'
+      - uses: oven-sh/setup-bun@v2
+        with:
+          bun-version: 'latest'
       - run: pnpm install --frozen-lockfile
       - run: pnpm run lint:lib
       - run: pnpm run test:lib