add delete_user_rls to user table

packages/db/migrations/0086.undo.grant_delete_on_user_table.sql

@@ -4,6 +4,6 @@
 
 BEGIN;
 
--- do nothing here, there's no reason to undo this migration.
+REVOKE DELETE ON omnivore.user FROM omnivore_user;
 
 COMMIT;

packages/db/migrations/0087.do.grant_delete_rls_on_user.sql

@@ -0,0 +1,11 @@
+-- Type: DO
+-- Name: grant_delete_rls_on_users
+-- Description: Add RLS delete permission to the users table
+
+BEGIN;
+
+CREATE POLICY delete_users on omnivore.user
+    FOR DELETE TO omnivore_user
+    USING (id = omnivore.get_current_user_id());
+
+COMMIT;

packages/db/migrations/0087.undo.grant_delete_rls_on_user.sql

@@ -0,0 +1,9 @@
+-- Type: UNDO
+-- Name: grant_delete_rls_on_users
+-- Description: Add RLS delete permission to the users table
+
+BEGIN;
+
+DROP POLICY delete_users ON omnivore.user;
+
+COMMIT;