Feature branch: Ephemeral resources (#2852)

Signed-off-by: Andrei Ciobanu <andrei.ciobanu@opentofu.org>

internal/command/e2etest/testdata/ephemeral-workflow/mod/main.tf

@@ -0,0 +1,15 @@
+variable "in" {
+  type = string
+  description = "Variable that is marked as ephemeral and doesn't matter what value is given in, ephemeral or not, the value evaluated for this variable will be marked as ephemeral"
+  ephemeral = true
+}
+
+output "out1" {
+  value = var.in
+  ephemeral = true // NOTE: because
+}
+
+output "out2" {
+  value = "rawvalue" // TODO ephemeral - this is returning a raw value and since incomplete work, the evaluated value is not marked as ephemeral. Once this will be fixed, the test should fail
+  ephemeral = true
+}