Update OpenAPI spec to 12 Oct 2023 (#399)

## Changes

Notable changes:
* Remove fields that cannot be edited from instance pool update APIs
* Add workspace binding APIs

## Tests

- [x] `make test` run locally
- [x] `make fmt` applied
- [x] relevant integration tests applied

Author: pietern

.codegen/_openapi_sha

@@ -1 +1 @@
-bcbf6e851e3d82fd910940910dd31c10c059746c
+493a76554afd3afdd15dc858773d01643f80352a

.gitattributes

@@ -131,6 +131,7 @@ examples/libraries/update_libraries.py linguist-generated=true
 examples/log_delivery/create_log_delivery.py linguist-generated=true
 examples/log_delivery/get_log_delivery.py linguist-generated=true
 examples/log_delivery/list_log_delivery.py linguist-generated=true
+examples/metastore_assignments/list_metastore_assignments.py linguist-generated=true
 examples/metastores/assign_metastores.py linguist-generated=true
 examples/metastores/create_metastores.py linguist-generated=true
 examples/metastores/current_metastores.py linguist-generated=true
@@ -204,11 +205,16 @@ examples/secrets/list_scopes_secrets.py linguist-generated=true
 examples/secrets/list_secrets_secrets.py linguist-generated=true
 examples/secrets/put_acl_secrets.py linguist-generated=true
 examples/secrets/put_secret_secrets.py linguist-generated=true
+examples/service_principals/create_account_service_principal.py linguist-generated=true
 examples/service_principals/create_create_obo_token_on_aws.py linguist-generated=true
 examples/service_principals/create_service_principals_on_aws.py linguist-generated=true
 examples/service_principals/create_workspace_assignment_on_aws.py linguist-generated=true
+examples/service_principals/get_account_service_principal.py linguist-generated=true
 examples/service_principals/get_service_principals_on_aws.py linguist-generated=true
+examples/service_principals/list_account_service_principal.py linguist-generated=true
 examples/service_principals/list_service_principals_on_aws.py linguist-generated=true
+examples/service_principals/patch_account_service_principal.py linguist-generated=true
+examples/service_principals/update_account_service_principal.py linguist-generated=true
 examples/service_principals/update_service_principals_on_aws.py linguist-generated=true
 examples/shares/create_shares.py linguist-generated=true
 examples/shares/get_shares.py linguist-generated=true