Use Postgres in Cucumber steps

Author: pezholio

.github/workflows/cucumber.yml

@@ -11,9 +11,9 @@ jobs:
         ci_node_total: [4]
         ci_node_index: [0, 1, 2, 3]
     steps:
-      - name: Setup MySQL
-        id: setup-mysql
-        uses: alphagov/govuk-infrastructure/.github/actions/setup-mysql@main
+      - name: Setup Postgres
+        id: setup-postgres
+        uses: alphagov/govuk-infrastructure/.github/actions/setup-postgres@main
 
       - name: Setup Redis
         uses: alphagov/govuk-infrastructure/.github/actions/setup-redis@main
@@ -52,13 +52,13 @@ jobs:
       - name: Initialize database
         env:
           RAILS_ENV: test
-          TEST_DATABASE_URL: ${{ steps.setup-mysql.outputs.db-url }}
+          TEST_DATABASE_URL: ${{ steps.setup-postgres.outputs.db-url }}
         run: bundle exec rails db:setup
 
       - name: Run cucumber
         env:
           RAILS_ENV: test
-          TEST_DATABASE_URL: ${{ steps.setup-mysql.outputs.db-url }}
+          TEST_DATABASE_URL: ${{ steps.setup-postgres.outputs.db-url }}
           CI_NODE_TOTAL: ${{ matrix.ci_node_total }}
           CI_NODE_INDEX: ${{ matrix.ci_node_index }}
         run: bundle exec ./bin/cucumber-ci