Rename bootstrap-os to bootstrap_os

Role names in ansible collections should not have hyphens.

roles/kubernetes/preinstall/tasks/0080-system-configurations.yml

@@ -20,7 +20,7 @@
     - "'Amazon' not in ansible_distribution"
     - slc.stat.exists
   tags:
-    - bootstrap-os
+    - bootstrap_os
 
 - name: Disable IPv6 DNS lookup
   lineinfile:
@@ -34,7 +34,7 @@
     - disable_ipv6_dns
     - not ansible_os_family in ["Flatcar", "Flatcar Container Linux by Kinvolk"]
   tags:
-    - bootstrap-os
+    - bootstrap_os
 
 - name: Clean previously used sysctl file locations
   file:
@@ -52,7 +52,7 @@
     get_mime: false
   register: sysctl_file_stat
   tags:
-    - bootstrap-os
+    - bootstrap_os
 
 - name: Change sysctl file path to link source if linked
   set_fact:
@@ -61,7 +61,7 @@
     - sysctl_file_stat.stat.islnk is defined
     - sysctl_file_stat.stat.islnk
   tags:
-    - bootstrap-os
+    - bootstrap_os
 
 - name: Make sure sysctl file path folder exists
   file: