web-app-openproject: upgrade to OpenProject 15

- bumped image version from 14 to 15
- removed dedicated migration task (now handled by upstream entrypoints)
- renamed tasks for cleaner numbering:
  * 02_settings.yml → 01_settings.yml
  * 03_ldap.yml → 02_ldap.yml
  * 04_admin.yml → 03_admin.yml

Ref: https://chatgpt.com/share/68d57770-2430-800f-ae53-e7eda6993a8d

roles/web-app-openproject/tasks/01_migration.yml

@@ -1,16 +0,0 @@
-- name: Run DB migrations (OpenProject)
-  shell: >
-    docker compose run --rm {{ OPENPROJECT_SEEDER_SERVICE }} bash -lc
-    "cd /app && RAILS_ENV={{ ENVIRONMENT | lower }} bin/rails db:migrate"
-  args:
-    chdir: "{{ docker_compose.directories.instance }}"
-  register: openproject_migrate
-  changed_when: openproject_migrate.rc == 0
-  failed_when: openproject_migrate.rc != 0
-
-- name: Clear schema cache
-  shell: >
-    docker compose run --rm {{ OPENPROJECT_SEEDER_SERVICE }} bash -lc
-    "cd /app && RAILS_ENV={{ ENVIRONMENT | lower }} bin/rails db:schema:cache:clear"
-  args:
-    chdir: "{{ docker_compose.directories.instance }}"

roles/web-app-openproject/tasks/main.yml

@@ -26,15 +26,12 @@
 - name: flush docker service
   meta: flush_handlers
 
-- name: Execute Migrations
-  include_tasks: 01_migration.yml
-
 - name: Deploy Settings
-  include_tasks: 02_settings.yml
+  include_tasks: 01_settings.yml
 
 - name: Setup LDAP
-  include_tasks: 03_ldap.yml
+  include_tasks: 02_ldap.yml
   when: OPENPROJECT_LDAP_ENABLED | bool
 
 - name: Create OpenProject Administrator
-  include_tasks: 04_admin.yml
+  include_tasks: 03_admin.yml