Rename kubespray-defaults to kubespray_defaults

Role names in ansible collection should not contains hyphens.

scripts/assert-sorted-checksums.yml

@@ -5,13 +5,13 @@
   connection: local
   gather_facts: false
   vars:
-    fallback_ip: 'bypass tasks in kubespray-defaults'
+    fallback_ip: 'bypass tasks in kubespray_defaults'
     _keys: "{{ query('ansible.builtin.varnames', '^.+_checksums$') }}"
     _values: "{{ query('ansible.builtin.vars', *_keys) | map('dict2items') }}"
     _components_archs_values: "{{ _keys | zip(_values) | community.general.dict | dict2items | subelements('value') }}"
     _minimal_data_needed: "{{ _components_archs_values | map(attribute='0.key') | zip(_components_archs_values | map(attribute='1')) }}"
   roles:
-  - kubespray-defaults
+  - kubespray_defaults
   tasks:
   - name: Check all versions are strings
     assert: