auth: got rid of the sql report warnings

Signed-off-by: Fredrik Adelöw <freben@gmail.com>

.changeset/tired-bushes-write.md

@@ -0,0 +1,5 @@
+---
+'@backstage/plugin-auth-backend': patch
+---
+
+Update migrations to be reversible

plugins/auth-backend/migrations/20200619125845_init.js

@@ -42,5 +42,5 @@ exports.up = async function up(knex) {
  * @param {import('knex').Knex} knex
  */
 exports.down = async function down(knex) {
-  return knex.schema.dropTable('auth_keystore');
+  return knex.schema.dropTable('signing_keys');
 };

plugins/auth-backend/migrations/20220321100910_timestamptz_again.js

@@ -48,7 +48,7 @@ exports.down = async function down(knex) {
   if (!knex.client.config.client.includes('sqlite3')) {
     await knex.schema.alterTable('signing_keys', table => {
       table
-        .timestamp('created_at', { useTz: false, precision: 0 })
+        .timestamp('created_at', { useTz: true, precision: 0 })
         .notNullable()
         .defaultTo(knex.fn.now())
         .comment('The creation time of the key')

plugins/auth-backend/report.sql.md

@@ -2,9 +2,6 @@
 
 > Do not edit this file. It is a report generated by `yarn build:api-reports`
 
-> [!WARNING]
-> Failed to migrate down from '20220321100910_timestamptz_again.js'
-
 ## Table `oauth_authorization_sessions`
 
 | Column                  | Type                       | Nullable | Max Length | Default           |