Add databricks 2026-01-01 to support new computeMode property (#5109)

* Add databricks 2026-01-01

* bump submodules/rest-api-specs from `dcfc87c` to `c0f15e4`

Author: gerrytan

config/resource-manager.hcl

@@ -161,7 +161,7 @@ service "databoxedge" {
 }
 service "databricks" {
   name      = "Databricks"
-  available = ["2022-04-01-preview", "2022-10-01-preview", "2024-05-01"]
+  available = ["2022-04-01-preview", "2022-10-01-preview", "2024-05-01", "2026-01-01"]
 }
 service "datadog" {
   name      = "DataDog"