Prepare provider for TF registry

Author: anandkunal

.github/workflows/go.yml

@@ -1,3 +1,8 @@
+## 2.6.1 (Released)
+
+* Provider has landed in the Terraform Registry
+* Cleared out old GitHub workflows
+
 ## 2.6.0 (Released)
 
 * Add support for policy management

.github/workflows/test-build.yml

@@ -15,7 +15,7 @@ This provider plugin is maintained by the team at [Imperva](https://www.imperva.
 Requirements
 ------------
 
--	[Terraform](https://www.terraform.io/downloads.html) 0.12.x
+-	[Terraform](https://www.terraform.io/downloads.html) 0.14.x
 -	[Go](https://golang.org/doc/install) 1.13 (to build the provider plugin)
 
 Building The Provider