make postgres GH action conditional

.github/workflows/CI-3p-postgresql.yml

@@ -0,0 +1,24 @@
+name: CI-3p-postgresql
+run-name: '${{ github.event.workflow_run && github.event.workflow_run.head_branch || github.ref_name }} ${{ github.workflow }} ${{ github.event.workflow_run && github.event.workflow_run.head_sha || github.sha }}'
+
+on:
+  workflow_dispatch:
+  workflow_run:
+    workflows: [ CI-trigger ]
+    types: [ completed ]
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.event.workflow_run && github.event.workflow_run.head_branch || github.ref_name }}
+  cancel-in-progress: true
+
+jobs:
+  run:
+    if: |
+      ${{ (github.event.workflow_run && github.event.workflow_run.conclusion == 'success' || ! github.event.workflow_run) &&
+          startsWith(github.event.workflow_run && github.event.workflow_run.head_branch || github.ref_name, 'v3.') }}
+    uses: sysown/proxysql/.github/workflows/ci-3p-postgresql.yml@GH-Actions
+    secrets: inherit
+    with:
+      trigger: ${{ toJson(github) }}
+      infradb: ${{ vars.MATRIX_3P_POSTGRESQL_infradb_pgsql }}
+      connector: ${{ vars.MATRIX_3P_POSTGRESQL_connector_pgsql }}