chore(deps): update dependency drupal/search_api_lunr to v3

Author: renovate[bot]

drupal/composer.json

@@ -27,7 +27,7 @@
         "drupal/jsonapi_node_preview": "^1.0.0-beta2@beta",
         "drupal/jsonapi_node_preview_tab": "^1.0.1",
         "drupal/lagoon_logs": "2.1.1",
-        "drupal/search_api_lunr": "2.0.1",
+        "drupal/search_api_lunr": "3.1.0",
         "drupal/simple_oauth": "5.2.3",
         "drupal/tome": "^1.11.0",
         "drush/drush": "11.6.0",