password-hardening: Add support to disable expiration date like in Li…

…nux (PAM) (#17426)

- Why I did it
Enhance the feature to support disabling password hardening as Linux support.
-1: expiration will never occur
0: expiration will expired immediately

Opened bug:
#17427

- How I did it
Added the -1 value to be supported in hostcfgd and this value will propagate to the relevant Linux files

- How to verify it
Pls see the details in the bug description that link attached above

src/sonic-yang-models/yang-models/sonic-passwh.yang

@@ -28,14 +28,14 @@ module sonic-passwh {
                 }
                 leaf expiration {
                     description "expiration time (days unit)";
-                    type uint16 {
-                        range 1..365;
+                    type int16 {
+                        range -1..365;
                     }
                 }
                 leaf expiration_warning {
                     description "expiration warning time (days unit)";
-                    type uint8 {
-                        range 1..30;
+                    type int8 {
+                        range -1..30;
                     }
                 }
                 leaf history_cnt {