ci: add DBMS_LOCK permission grant for Oracle tests

Create startup script to grant EXECUTE on DBMS_LOCK to test user,
which is required for Oracle distributed locking functionality.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: tanbro

.github/scripts/grant-dbms-lock.sql

@@ -0,0 +1,12 @@
+-- Grant DBMS_LOCK permission to the test user for distributed locking
+-- This script is run by gvenzl/setup-oracle-free action
+ALTER SESSION SET "_ORACLE_SCRIPT"=TRUE;
+
+-- Grant execute on DBMS_LOCK to the app user
+GRANT EXECUTE ON SYS.DBMS_LOCK TO test;
+
+-- Grant execute on DBMS_LOCK to PUBLIC (optional, for broader access)
+-- COMMENT: Not granting to PUBLIC for security reasons
+
+-- Verify the grant
+SELECT * FROM dba_tab_privs WHERE table_name = 'DBMS_LOCK' AND grantee = 'TEST';

.github/workflows/python-package.yml

@@ -145,6 +145,7 @@ jobs:
         with:
           app-user: test
           app-user-password: test
+          startup-scripts: ${{ github.workspace }}/.github/scripts
 
       - name: Install the project
         env: