cli/config: Using the variable on range scope tc in function litera…

…l (scopelint)

```
cli/config/config_test.go:590:11: Using the variable on range scope `tc` in function literal (scopelint)
			SetDir(tc.dir)
			       ^
cli/config/config_test.go:591:19: Using the variable on range scope `tc` in function literal (scopelint)
			f, err := Path(tc.path...)
			               ^
cli/config/config_test.go:592:23: Using the variable on range scope `tc` in function literal (scopelint)
			assert.Equal(t, f, tc.expected)
			                   ^
```

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>

cli/config/config_test.go

@@ -586,6 +586,7 @@ func TestConfigPath(t *testing.T) {
 			expectedErr: fmt.Sprintf("is outside of root config directory %q", "dummy"),
 		},
 	} {
+		tc := tc
 		t.Run(tc.name, func(t *testing.T) {
 			SetDir(tc.dir)
 			f, err := Path(tc.path...)