update release table for 0.6 (#308)

Signed-off-by: Tihomir Surdilovic <[email protected]>

Author: Tihomir Surdilovic

README.md

@@ -31,11 +31,11 @@ Cloud Native Sandbox level project on July 14, 2020.
 | | Latest release | Latest release branch | Working branch | 
 | --- |  :---: | :---: | :---: |
 | **Core Specification** | |
-| Serverless Workflow | [v0.6](https://github.com/serverlessworkflow/specification/releases) | [0.6.x](https://github.com/serverlessworkflow/specification/tree/0.6.x) | [master](https://github.com/serverlessworkflow/specification) |
+| Serverless Workflow | [v0.6](https://github.com/serverlessworkflow/specification/releases) | [0.6.x](https://github.com/serverlessworkflow/specification/tree/0.6.x) | [main](https://github.com/serverlessworkflow/specification) |
 | **Additional Components** | |
-| Java SDK | [1.0.3.Final](https://github.com/serverlessworkflow/sdk-java/releases) | [1.0.x](https://github.com/serverlessworkflow/sdk-java/tree/1.0.x) | [master](https://github.com/serverlessworkflow/sdk-java) |
-| GO SDK | [v1.0.0](https://github.com/serverlessworkflow/sdk-go/releases) | [1.0.x](https://github.com/serverlessworkflow/sdk-go/tree/1.0.x) | [master](https://github.com/serverlessworkflow/sdk-go) |
-| VSCode Extension | [1.3.0](https://marketplace.visualstudio.com/items?itemName=serverlessworkflow.serverless-workflow-vscode-extension) | | [master](https://github.com/serverlessworkflow/vscode-extension) |
+| Java SDK | [2.0.0.Final](https://github.com/serverlessworkflow/sdk-java/releases) | [2.0.x](https://github.com/serverlessworkflow/sdk-java/tree/2.0.x) | [main](https://github.com/serverlessworkflow/sdk-java) |
+| GO SDK | [v1.0.0](https://github.com/serverlessworkflow/sdk-go/releases) | [1.0.x](https://github.com/serverlessworkflow/sdk-go/tree/1.0.x) | [main](https://github.com/serverlessworkflow/sdk-go) |
+| VSCode Extension | [1.4.0](https://marketplace.visualstudio.com/items?itemName=serverlessworkflow.serverless-workflow-vscode-extension) | | [main](https://github.com/serverlessworkflow/vscode-extension) |
 
 ## SDKs