gitutil: sanitize root dir on WSL

Signed-off-by: CrazyMax <1951866+crazy-max@users.noreply.github.com>

util/gitutil/path_windows_test.go

@@ -0,0 +1,11 @@
+package gitutil
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestSanitizePathWindows(t *testing.T) {
+	assert.Equal(t, "C:\\Users\\foobar", sanitizePath("C:/Users/foobar"))
+}