ci: use unbuffer to allocate TTY and propagate exit codes

Install expect package and use unbuffer for bun test to ensure
pseudo-TTY allocation and proper exit code propagation in CI,
causing the job to fail when tests fail.

Author: MBanucu

.github/workflows/ci.yml

@@ -47,8 +47,11 @@ jobs:
       - name: Build
         run: bun run build:all:prod
 
+      - name: Install expect
+        run: sudo apt-get update && sudo apt-get install -y expect
+
       - name: Run tests
-        run: script -q -c "bun test" /dev/null
+        run: unbuffer bun test
 
   dependency-review:
     runs-on: ubuntu-24.04