fix(bootstrap): add devpts mount and use ephemeral state for RHEL DVD

roles/bootstrap/tasks/main.yml

@@ -22,6 +22,7 @@
     - { src: proc, path: proc, fstype: proc }
     - { src: sysfs, path: sys, fstype: sysfs }
     - { src: /dev, path: dev, fstype: none, opts: bind }
+    - { src: devpts, path: dev/pts, fstype: devpts, opts: "gid=5,mode=620" }
 
 - name: Run OS-specific bootstrap process
   vars:

roles/bootstrap/tasks/rhel.yml

@@ -25,7 +25,7 @@
         path: /mnt/usr/local/install/redhat/dvd
         fstype: none
         opts: bind
-        state: mounted
+        state: ephemeral
 
     - name: Rebuild RPM database inside chroot
       ansible.builtin.command: "{{ chroot_command }} rpm --rebuilddb"