replace generic include keyword

Ansible has for some time deprecated its usage in favor of newer, more
specialised modules.

mediawiki/tasks/main.yml

@@ -84,13 +84,13 @@
     - mediawiki
     - webservices
 
-- include: postgres.yml
+- import_tasks: postgres.yml
   when: mediawiki_dbtype == "postgres"
 
-- include: mysql.yml
+- import_tasks: mysql.yml
   when: mediawiki_dbtype == "mysql"
 
-- include: ldap.yml
+- import_tasks: ldap.yml
   when: mediawiki_use_ldap
 
 - name: ensure we are running maintenance regularly

uwsgi-python/tasks/app.yml

@@ -67,11 +67,11 @@
     - "{{ app.instance }}"
 
 - block:
-    - include: sqlite.yml
+    - include_tasks: sqlite.yml
       when: app_db_type == "sqlite"
-    - include: mysql.yml
+    - include_tasks: mysql.yml
       when: app_db_type == "mysql"
-    - include: postgres.yml
+    - include_tasks: postgres.yml
       when: app_db_type == "postgres"
   when: app_db_type is defined
   tags:

wordpress/tasks/main.yml

@@ -140,4 +140,4 @@
     - wordpress
     - webservices
 
-- include: mysql.yml
+- import_tasks: mysql.yml