use oracledb in test suite

CI uses oracledb by default now so make sure that's
installed.   update URLs etc. for 23c

Change-Id: Ic671bbaa90abb7387708f9fcc488fda2bc416b04

Author: zzzeek

pyproject.toml

@@ -66,7 +66,7 @@ coverage = [
 
 tests_postgresql = ["psycopg2>=2.7"]
 tests_mysql = ["mysqlclient>=1.4.0", "pymysql"]
-tests_oracle = ["cx_oracle"]
+tests_oracle = ["oracledb"]
 tests_mssql = ["pyodbc"]
 
 lint = [

setup.cfg

@@ -32,7 +32,7 @@ psycopg=postgresql+psycopg://scott:tiger@127.0.0.1:5432/test
 mysql=mysql://scott:tiger@127.0.0.1:3306/test?charset=utf8mb4
 mariadb=mariadb://scott:tiger@127.0.0.1:3306/test?charset=utf8mb4
 mssql=mssql+pyodbc://scott:tiger^5HHH@mssql2022:1433/test?driver=ODBC+Driver+18+for+SQL+Server&TrustServerCertificate=yes&Encrypt=Optional
-oracle=oracle://scott:tiger@oracle18c/xe
+oracle=oracle+oracledb://scott:tiger@oracle23c/freepdb1