Release v1.2.0

[nfx]

1.2.0

• Added databricks_mws_permission_assignment resource (#1491).
• Added databricks_mws_workspaces data resource (#1497).
• Added exporter for databricks_pipeline and databricks_job (#1484).
• Fixed databricks_permissions for calling user to CAN_MANAGE on databricks_mlflow_model (#1507).
• Fixed phantom cluster blocks in databricks_pipeline (#1508).
• Improve test coverage of multitask databricks_job and databricks_pipeline (#1493).
• Minor stability improvements (#1505, #1487, #1496, #1503).

Updated dependency versions:

• Bump github.com/Azure/go-autorest/autorest from 0.11.27 to 0.11.28 (#1513).
• Bump github.com/Azure/go-autorest/autorest/adal from 0.9.20 to 0.9.21 (#1512).
• Bump github.com/Azure/go-autorest/autorest/azure/cli from 0.4.5 to 0.4.6 (#1515).
• Bump github.com/hashicorp/terraform-plugin-sdk/v2 from 2.19.0 to 2.20.0 (#1516).
• Bump google.golang.org/api from 0.87.0 to 0.90.0 (#1499, #1514).