Fix pgsql and mysql tests on GitHub actions

The tests accidentally stopped running on PHP 8.3+.

Closes GH-12475

.github/actions/test-linux/action.yml

@@ -31,8 +31,10 @@ runs:
         export PDO_OCI_TEST_USER="system"
         export PDO_OCI_TEST_PASS="pass"
         export PDO_OCI_TEST_DSN="oci:dbname=localhost/XEPDB1;charset=AL32UTF8"
-        export PGSQL_TEST_CONNSTR="host=postgres dbname=test port=5432 user=postgres password=postgres"
+        export PGSQL_TEST_CONNSTR="host=localhost dbname=test port=5432 user=postgres password=postgres"
-        export PDO_PGSQL_TEST_DSN="host=postgres dbname=test port=5432 user=postgres password=postgres"
+        if [[ -z "$PDO_PGSQL_TEST_DSN" ]]; then
+          export PDO_PGSQL_TEST_DSN="pgsql:host=localhost port=5432 dbname=test user=postgres password=postgres"
+        fi
         export ODBC_TEST_USER="odbc_test"
         export ODBC_TEST_PASS="password"
         export ODBC_TEST_DSN="Driver={ODBC Driver 17 for SQL Server};Server=127.0.0.1;Database=odbc;uid=$ODBC_TEST_USER;pwd=$ODBC_TEST_PASS"

.github/workflows/nightly.yml

@@ -158,10 +158,6 @@ jobs:
     runs-on: ubuntu-latest
     container:
       image: ubuntu:${{ (matrix.branch.ref == 'PHP-8.3' || matrix.branch.ref == 'master') && '22.04' || '20.04' }}
-    env:
-      MYSQL_TEST_HOST: mysql
-      PDO_MYSQL_TEST_DSN: mysql:host=mysql;dbname=test
-      PDO_MYSQL_TEST_HOST: mysql
     services:
       mysql:
         image: mysql:8

.github/workflows/push.yml

@@ -48,19 +48,19 @@ jobs:
     services:
       mysql:
         image: mysql:8
+        ports:
+          - 3306:3306
         env:
           MYSQL_DATABASE: test
           MYSQL_ROOT_PASSWORD: root
       postgres:
         image: postgres
+        ports:
+          - 5432:5432
         env:
           POSTGRES_USER: postgres
           POSTGRES_PASSWORD: postgres
           POSTGRES_DB: test
-    env:
-      MYSQL_TEST_HOST: mysql
-      PDO_MYSQL_TEST_DSN: mysql:host=mysql;dbname=test
-      PDO_MYSQL_TEST_HOST: mysql
     strategy:
       fail-fast: false
       matrix: