fix(bootstrap): RHEL 9 bootstrap from Arch ISO compatibility

roles/bootstrap/tasks/main.yml

@@ -1,4 +1,28 @@
 ---
+- name: Create API filesystem mountpoints in installroot
+  when: is_rhel | bool
+  ansible.builtin.file:
+    path: "/mnt/{{ item }}"
+    state: directory
+    mode: "0755"
+  loop:
+    - dev
+    - proc
+    - sys
+
+- name: Mount API filesystems into installroot
+  when: is_rhel | bool
+  ansible.posix.mount:
+    src: "{{ item.src }}"
+    path: "/mnt/{{ item.path }}"
+    fstype: "{{ item.fstype }}"
+    opts: "{{ item.opts | default(omit) }}"
+    state: ephemeral
+  loop:
+    - { src: proc, path: proc, fstype: proc }
+    - { src: sysfs, path: sys, fstype: sysfs }
+    - { src: /dev, path: dev, fstype: none, opts: bind }
+
 - name: Run OS-specific bootstrap process
   vars:
     bootstrap_os_task_map: