chore(ignore): use ubuntu 24.04

.github/workflows/ci.yml

@@ -7,7 +7,7 @@ permissions:
   contents: read
 jobs:
   build:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
     steps:
       - name: Download source
         uses: actions/checkout@v4
@@ -15,6 +15,7 @@ jobs:
         uses: crystal-lang/install-crystal@v1
       - name: Run tests
         run: |
+          apt-get update && apt-get install golang-chroma -y
           shards install
           crystal tool format --check
           crystal spec -v