chore: rename task files to use underscores instead of dashes to comply with...

chore: rename task files to use underscores instead of dashes to comply with Python naming conventions

tasks/main.yml

@@ -6,11 +6,11 @@
   tags: [always]
 
 - name: install packages
-  import_tasks: install-packages.yml
+  import_tasks: "install_packages.yml"
   tags: [apt, packages]
 
 - name: create users and groups
-  import_tasks: create-users-groups.yml
+  import_tasks: "create_users_groups.yml"
   tags: [users]
 
 - name: configure SSH keys
@@ -18,9 +18,9 @@
   tags: [ssh]
 
 - name: configure nfs mounts
-  import_tasks: configure-nfs-mounts.yml
+  import_tasks: "configure_nfs_mounts.yml"
   tags: [nfs]
 
 - name: install test scripts
-  import_tasks: install-test-scripts.yml
+  import_tasks: "install_test_scripts.yml"
   tags: [testscripts]