* Issue 1596: runner throws nullref exception when writting env var
* Adding tests for missing new line after EOF marker
* Changing newline to new line
* Issue 1662: Adding retry policy for methods GetTenantCredential and GetJITRunnerTokenAsync
* Adding HttpClient creation to the retry
* Random backoff time
* Solving issue with debugging on macOS M1
* Fixing problem with debugging on macOS M1
* Adding targetArchitecture in launch.json configs
* Code refactor