chore: I found minor spelling errors (#1153)

bootstrap/templates/ansible/k3s/playbooks/tasks/cruft.yaml.j2

@@ -2,7 +2,7 @@
 # https://github.com/k3s-io/k3s/issues/1971
 - name: Cruft
   block:
-    - name: Cruft | Get list of custom mantifests
+    - name: Cruft | Get list of custom manifests
       ansible.builtin.find:
         paths: "{% raw %}{{ k3s_server_manifests_dir }}{% endraw %}"
         file_type: file
@@ -10,7 +10,7 @@
         patterns: ["^custom-.*"]
       register: custom_manifest
 
-    - name: Cruft | Delete custom mantifests
+    - name: Cruft | Delete custom manifests
       ansible.builtin.file:
         path: "{% raw %}{{ item.path }}{% endraw %}"
         state: absent