[#1935] Update dbs for testing examples on CI

Author: DavideD

.github/workflows/build.yml

@@ -34,7 +34,7 @@ jobs:
        # Label used to access the service container
       mysql:
         # Docker Hub image
-        image: mysql:8.0.32
+        image: mysql:8.4.0
         env:
           MYSQL_ROOT_PASSWORD: hreact
           MYSQL_DATABASE: hreact
@@ -50,7 +50,7 @@ jobs:
           - 3306:3306
       postgres:
         # Docker Hub image
-        image: postgres:15.2
+        image: postgres:16.3
         env:
           POSTGRES_DB: hreact
           POSTGRES_USER: hreact
@@ -99,7 +99,6 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-#        db: [ 'MariaDB', 'MySQL', 'PostgreSQL', 'DB2', 'CockroachDB', 'MSSQLServer', 'Oracle' ]
         db: [ 'MariaDB', 'MySQL', 'PostgreSQL', 'MSSQLServer', 'CockroachDB', 'Db2', 'Oracle' ]
     steps:
     - uses: actions/checkout@v2