Nightly Benchmarks: Add free tier sized compute (#3969)

- Add support for VMs and CU
- Add free tier limited benchmark (0.25 CU)
- Ensure we use 1 CU by default for pgbench workload

.github/actions/neon-project-create/action.yml

@@ -14,6 +14,12 @@ inputs:
   api_host:
     desctiption: 'Neon API host'
     default: console.stage.neon.tech
+  provisioner:
+    desctiption: 'k8s-pod or k8s-neonvm'
+    default: 'k8s-pod'
+  compute_units:
+    desctiption: '[Min, Max] compute units; Min and Max are used for k8s-neonvm with autoscaling, for k8s-pod values Min and Max should be equal'
+    default: '[1, 1]'
 
 outputs:
   dsn:
@@ -31,6 +37,10 @@ runs:
       # A shell without `set -x` to not to expose password/dsn in logs
       shell: bash -euo pipefail {0}
       run: |
+        if [ "${PROVISIONER}" == "k8s-pod" ] && [ "${MIN_CU}" != "${MAX_CU}" ]; then
+          echo >&2 "For k8s-pod provisioner MIN_CU should be equal to MAX_CU"
+        fi
+
         project=$(curl \
           "https://${API_HOST}/api/v2/projects" \
           --fail \
@@ -42,6 +52,9 @@ runs:
               \"name\": \"Created by actions/neon-project-create; GITHUB_RUN_ID=${GITHUB_RUN_ID}\",
               \"pg_version\": ${POSTGRES_VERSION},
               \"region_id\": \"${REGION_ID}\",
+              \"provisioner\": \"${PROVISIONER}\",
+              \"autoscaling_limit_min_cu\": ${MIN_CU},
+              \"autoscaling_limit_max_cu\": ${MAX_CU},
               \"settings\": { }
             }
           }")
@@ -62,3 +75,6 @@ runs:
         API_KEY: ${{ inputs.api_key }}
         REGION_ID: ${{ inputs.region_id }}
         POSTGRES_VERSION: ${{ inputs.postgres_version }}
+        PROVISIONER: ${{ inputs.provisioner }}
+        MIN_CU: ${{ fromJSON(inputs.compute_units)[0] }}
+        MAX_CU: ${{ fromJSON(inputs.compute_units)[1] }}