Add back docker healthcheck on services

I saw in the GHA logs that it perform an healtcheck ! So I hope this
will work.

.github/workflows/ansible-test-plugins.yml

@@ -89,6 +89,16 @@ jobs:
           MYSQL_ROOT_PASSWORD: msandbox
         ports:
           - 3307:3306
+        # We write our own health-cmd because the mariadb container does not
+        # provide a healthcheck
+        options: >-
+          --health-cmd "mysqladmin ping -P 3306 -pmsandbox"
+          | grep alive
+          || exit 1
+          --health-start-period 10s
+          --health-interval 10s
+          --health-timeout 5s
+          --health-retries 6
 
       db_replica1:
         image: ${{ matrix.db_engine_version }}
@@ -99,6 +109,14 @@ jobs:
           - 3308:3306
         volumes:
           - ${{ github.workspace }}/tests/integration/setup_mysql/replica1/:/etc/mysql/conf.d/
+        options: >-
+          --health-cmd "mysqladmin ping -P 3306 -pmsandbox"
+          | grep alive
+          || exit 1
+          --health-start-period 10s
+          --health-interval 10s
+          --health-timeout 5s
+          --health-retries 6
 
       db_replica2:
         image: ${{ matrix.db_engine_version }}
@@ -109,11 +127,16 @@ jobs:
           - 3309:3306
         volumes:
           - ${{ github.workspace }}/tests/integration/setup_mysql/replica2/:/etc/mysql/conf.d/
+        options: >-
+          --health-cmd "mysqladmin ping -P 3306 -pmsandbox"
+          | grep alive
+          || exit 1
+          --health-start-period 10s
+          --health-interval 10s
+          --health-timeout 5s
+          --health-retries 6
 
     steps:
-      - name: 'Wait 20s for the service containers to be healthy'
-        run:
-          sleep 20;
 
       - name: >-
           Perform integration testing against