use github actions for colab testing

.github/workflows/collab.yml

@@ -1,28 +1,8 @@
 name: Build Project on Google Collab (Execution)
 on: [pull_request]
 jobs:
-  deploy-runner:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: iterative/setup-cml@v2
-      - uses: actions/checkout@v4
-        with:
-          ref: ${{ github.event.pull_request.head.sha }}
-      - name: Deploy runner on EC2
-        env:
-          REPO_TOKEN: ${{ secrets.QUANTECON_SERVICES_PAT }}
-          AWS_ACCESS_KEY_ID: ${{ secrets.AWS_ACCESS_KEY_ID }}
-          AWS_SECRET_ACCESS_KEY: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
-        run: |
-          cml runner launch \
-              --cloud=aws \
-              --cloud-region=us-west-2 \
-              --cloud-type=p3.2xlarge \
-              --labels=cml-gpu \
-              --cloud-hdd-size=250
   execution-checks:
-    needs: deploy-runner
-    runs-on: [self-hosted, cml-gpu]
+    runs-on: ubuntu-latest-gpu
     container:
       image: docker://us-docker.pkg.dev/colab-images/public/runtime
       options: --gpus all