fix: add creation password

testdata/resource-replace.pkl

@@ -31,6 +31,7 @@ forma {
     hostname = "test-lxc"
     description = "some other description"
     ostemplate = "local:vztmpl/alpine-3.22-default_20250617_amd64.tar.xz"
+    password = "test"
     cores = 1
     memory = 512
   }

testdata/resource.pkl

@@ -33,6 +33,7 @@ forma {
     hostname = "test-lxc"
     description = "no description provided"
     ostemplate = "local:vztmpl/alpine-3.22-default_20250617_amd64.tar.xz"
+    password = "abcd"
     cores = 1
     memory = 512
   }