Upgrade Go SDK to v0.29.0 (#1111)

## Changes

See:
* https://github.com/databricks/databricks-sdk-go/releases/tag/v0.29.0
* https://github.com/databricks/databricks-sdk-go/releases/tag/v0.28.0

## Tests

Unit and integration tests pass.

.codegen/_openapi_sha

@@ -1 +1 @@
-63caa3cb0c05045e81d3dcf2451fa990d8670f36
+a7a9dc025bb80303e676bf3708942c6aa06689f1

.gitattributes

@@ -50,6 +50,7 @@ cmd/workspace/instance-pools/instance-pools.go linguist-generated=true
 cmd/workspace/instance-profiles/instance-profiles.go linguist-generated=true
 cmd/workspace/ip-access-lists/ip-access-lists.go linguist-generated=true
 cmd/workspace/jobs/jobs.go linguist-generated=true
+cmd/workspace/lakeview/lakeview.go linguist-generated=true
 cmd/workspace/libraries/libraries.go linguist-generated=true
 cmd/workspace/metastores/metastores.go linguist-generated=true
 cmd/workspace/model-registry/model-registry.go linguist-generated=true
@@ -78,6 +79,8 @@ cmd/workspace/tables/tables.go linguist-generated=true
 cmd/workspace/token-management/token-management.go linguist-generated=true
 cmd/workspace/tokens/tokens.go linguist-generated=true
 cmd/workspace/users/users.go linguist-generated=true
+cmd/workspace/vector-search-endpoints/vector-search-endpoints.go linguist-generated=true
+cmd/workspace/vector-search-indexes/vector-search-indexes.go linguist-generated=true
 cmd/workspace/volumes/volumes.go linguist-generated=true
 cmd/workspace/warehouses/warehouses.go linguist-generated=true
 cmd/workspace/workspace-bindings/workspace-bindings.go linguist-generated=true