chore(deps): Migrate from crate[sqlalchemy] to sqlalchemy-cratedb

The CrateDB SQLAlchemy dialect needs more love, so it was separated from
the DBAPI HTTP driver.

docs/docs/configuration/databases.mdx

@@ -381,7 +381,7 @@ We recommend adding something like the following
 text to your requirements file:
 
 ```
-crate[sqlalchemy]==0.26.0
+sqlalchemy-cratedb>=0.37,<0.38
 ```
 
 The expected connection string is formatted as follows:

pyproject.toml

@@ -110,7 +110,7 @@ bigquery = [
 clickhouse = ["clickhouse-connect>=0.5.14, <1.0"]
 cockroachdb = ["cockroachdb>=0.3.5, <0.4"]
 cors = ["flask-cors>=2.0.0"]
-crate = ["crate[sqlalchemy]>=0.26.0, <0.27"]
+crate = ["sqlalchemy-cratedb>=0.37.0, <0.38"]
 databend = ["databend-sqlalchemy>=0.3.2, <1.0"]
 databricks = [
     "databricks-sql-connector>=2.0.2, <3",