flake: `TestTools/WorkspaceSSHExec`

https://github.com/coder/coder/actions/runs/16461435847/job/46529472546

```
    toolsdk_test.go:428: 
        	Error Trace:	C:/actions-runner/coder/coder/codersdk/toolsdk/toolsdk_test.go:428
        	Error:      	Not equal: 
        	            	expected: 0
        	            	actual  : 1
        	Test:       	TestTools/WorkspaceSSHExec
```