More GitHub action fixes.

Author: kukabi

.github/workflows/rust_checks.yml

@@ -31,6 +31,10 @@ jobs:
           --health-timeout 5s
           --health-retries 5
     steps:
+      - name: Install PostgreSQL client
+        run: |
+          apt-get update
+          apt-get install --yes --no-install-recommends postgresql-client
       - name: Checkout
         uses: actions/checkout@v2
       - name: Make the DB reset script executable