use a versioned exttester for the sql snapshots

.github/workflows/build_and_test.yml

@@ -31,7 +31,8 @@ jobs:
       pgupgrade_image_name: "ghcr.io/citusdata/pgupgradetester"
       style_checker_image_name: "ghcr.io/citusdata/stylechecker"
       style_checker_tools_version: "0.8.18"
-      image_suffix: "-dev-1699dc3"
+      sql_snapshot_pg_version: "ghcr.io/citusdata/sqlsnapshot"
+      image_suffix: "-dev-0349788"
       pg14_version: '{ "major": "14", "full": "14.11" }'
       pg15_version: '{ "major": "15", "full": "15.6" }'
       pg16_version: '{ "major": "16", "full": "16.2" }'
@@ -44,7 +45,7 @@ jobs:
     needs: params
     runs-on: ubuntu-20.04
     container:
-      image: ${{ needs.params.outputs.build_image_name }}:latest
+      image: ${{ needs.params.outputs.build_image_name }}:${{ needs.params.outputs.sql_snapshot_pg_version }}${{ needs.params.outputs.image_suffix }}
       options: --user root
     steps:
     - uses: actions/checkout@v3.5.0