fix: update license urls

resources/templates/source-file-header.twig

@@ -122,7 +122,7 @@
  * permissions and limitations under the License.
  *
  * {{ copyright }}
- * @license https://spdx.org/licenses/MIT-0.html MIT No Attribution
+ * @license https://opensource.org/licenses/MIT-0 MIT No Attribution
 {% elseif license == 'MPL-2.0' %}
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
@@ -137,7 +137,7 @@
  * into the public domain. For more information, please view the
  * UNLICENSE file that was distributed with this source code.
  *
- * @license https://unlicense.org The Unlicense
+ * @license https://opensource.org/licenses/Unlicense The Unlicense
 {% endif %}
 {% endset %}