Create final task including lmn_finish and lmn_tmpfixes

lmn_tmpfixes is used for:
- temporary fixes and quirks
- cleaning up stuff from obsolete/erroneous tasks

lmn_finish is used for:
- installing extra_pkg
- setting ansible-stamps

roles/lmn_finish/tasks/main.yaml

@@ -0,0 +1,33 @@
+---
+- name: Install extra packages from stable
+  ansible.builtin.apt:
+    name: "{{ item }}"
+  loop:
+    - "{{ extra_pkgs }}"
+    - "{{ extra_pkgs1 }}"
+    - "{{ extra_pkgs2 }}"
+
+- name: Add backports for {{ ansible_distribution_release }}
+  ansible.builtin.apt_repository:
+    repo: >
+      deb http://deb.debian.org/debian/ {{ ansible_distribution_release }}-backports
+      main non-free-firmware
+    state: present
+    update_cache: true
+#  when: extra_pkgs_bpo|length
+
+- name: Install extra packages from backports
+  ansible.builtin.apt:
+    name: "{{ item }}"
+    state: latest # noqa package-latest
+    default_release: "{{ ansible_distribution_release }}-backports"
+  loop:
+    - "{{ extra_pkgs_bpo }}"
+    - "{{ extra_pkgs_bpo1 }}"
+    - "{{ extra_pkgs_bpo2 }}"
+
+- name: Timestamp successfull run and send up-to-date report
+  ansible.builtin.shell:
+    cmd: date --iso-8601=seconds >> /var/local/ansible-stamps && /usr/local/sbin/reporter
+  changed_when: false
+  tags: upgrade