Update Go SDK to v0.19.1 (#759)

## Changes

This includes token reuse for Azure CLI based auth.

See:
https://github.com/databricks/databricks-sdk-go/releases/tag/v0.19.1

## Tests

Confirmed manually that Azure CLI tokens are acquired only once.

go.mod

@@ -4,7 +4,7 @@ go 1.21
 
 require (
 	github.com/briandowns/spinner v1.23.0 // Apache 2.0
-	github.com/databricks/databricks-sdk-go v0.19.0 // Apache 2.0
+	github.com/databricks/databricks-sdk-go v0.19.1 // Apache 2.0
 	github.com/fatih/color v1.15.0 // MIT
 	github.com/ghodss/yaml v1.0.0 // MIT + NOTICE
 	github.com/google/uuid v1.3.0 // BSD-3-Clause

go.sum

@@ -36,8 +36,8 @@ github.com/cncf/xds/go v0.0.0-20210805033703-aa0b78936158/go.mod h1:eXthEFrGJvWH
 github.com/cncf/xds/go v0.0.0-20210922020428-25de7278fc84/go.mod h1:eXthEFrGJvWHgFFCl3hGmgk+/aYT6PnTQLykKQRLhEs=
 github.com/cncf/xds/go v0.0.0-20211011173535-cb28da3451f1/go.mod h1:eXthEFrGJvWHgFFCl3hGmgk+/aYT6PnTQLykKQRLhEs=
 github.com/cpuguy83/go-md2man/v2 v2.0.2/go.mod h1:tgQtvFlXSQOSOSIRvRPT7W67SCa46tRHOmNcaadrF8o=
-github.com/databricks/databricks-sdk-go v0.19.0 h1:Xh5A90/+8ehW7fTqoQbQK5xZu7a/akv3Xwv8UdWB4GU=
-github.com/databricks/databricks-sdk-go v0.19.0/go.mod h1:Bt/3i3ry/rQdE6Y+psvkAENlp+LzJHaQK5PsLIstQb4=
+github.com/databricks/databricks-sdk-go v0.19.1 h1:hP7xZb+Hd8n0grnEcf2FOMn6lWox7vp5KAan3D2hnzM=
+github.com/databricks/databricks-sdk-go v0.19.1/go.mod h1:Bt/3i3ry/rQdE6Y+psvkAENlp+LzJHaQK5PsLIstQb4=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=