Import logbook in the executor to avoid blocking the event loop (#111807)

This one is likely because of all the sqlalchemy object construction
for the queries

`Component logbook import took 0.245 seconds (loaded_executor=False)`

homeassistant/components/logbook/manifest.json

@@ -4,6 +4,7 @@
   "codeowners": ["@home-assistant/core"],
   "dependencies": ["frontend", "http", "recorder"],
   "documentation": "https://www.home-assistant.io/integrations/logbook",
+  "import_executor": true,
   "integration_type": "system",
   "quality_scale": "internal"
 }