[GAP9-CI] Replace docker with my docker-gap9

Author: runwangdl

.github/workflows/_select-env.yml

@@ -28,6 +28,8 @@ jobs:
         run: |
           if [[ -n "${{ inputs.docker_image_deeploy }}" ]]; then
             IMAGE="${{ inputs.docker_image_deeploy }}"
+          elif [[ "${{ github.ref_name }}" == "gap9-pr" ]]; then
+            IMAGE="ghcr.io/runwang/deeploy:gap"
           elif [[ "${{ github.ref }}" == refs/tags/* ]]; then
             TAG_NAME="${GITHUB_REF##refs/tags/}"
             IMAGE="ghcr.io/pulp-platform/deeploy:${TAG_NAME}"