db/count, db/exist? => toucan2 (#29432)

.clj-kondo/config.edn

...nd/src/metabase_enterprise/advanced_config/file/users.clj

...tabase_enterprise/advanced_config/file/databases_test.clj

...t/metabase_enterprise/advanced_config/file/users_test.clj

...permissions/models/permissions/block_permissions_test.clj

...kend/test/metabase_enterprise/audit_app/api/user_test.clj

...etabase_enterprise/content_management/api/review_test.clj

...ckend/test/metabase_enterprise/sandbox/api/field_test.clj

...ackend/test/metabase_enterprise/sandbox/api/gtap_test.clj

...test/metabase_enterprise/sandbox/api/permissions_test.clj

...se_enterprise/sandbox/models/params/chain_filter_test.clj

...se_enterprise/sandbox/models/params/field_values_test.clj

...ckend/test/metabase_enterprise/serialization/cmd_test.clj

...nd/test/metabase_enterprise/serialization/v2/e2e_test.clj

...d/test/metabase_enterprise/serialization/v2/load_test.clj

...d/test/metabase_enterprise/sso/integrations/saml_test.clj

...loud-sdk/test/metabase/driver/bigquery_cloud_sdk_test.clj

...leanalytics/test/metabase/driver/googleanalytics_test.clj

modules/drivers/oracle/test/metabase/driver/oracle_test.clj

src/metabase/analytics/snowplow.clj