Update ci.yml

Author: aidanharan

.github/workflows/ci.yml

@@ -31,6 +31,9 @@ jobs:
       - name: Build docker images
         run: docker compose build --build-arg TARGET_VERSION=${{ matrix.ruby }}
 
+      - name: Install libresolv
+        run: sudo apt-get update && sudo apt-get install -y libc6
+
       - name: Run tests
         run: docker compose run ci