[playbook,mysql] fix database URI

it has a "double slash" but only one colon

playbooks/playbook.yaml

@@ -51,6 +51,7 @@
           - libapache2-mod-php8.2
           - python3-mysqldb
           - default-mysql-server
+          - composer
 
     - name: Install the firewall
       ansible.builtin.apt:
@@ -119,21 +120,6 @@
         host: localhost
         state: present
 
-    - name: Download Composer installer.
-      ansible.builtin.get_url:
-        url: https://getcomposer.org/installer
-        dest: /tmp/composer-installer.php
-        mode: "0755"
-    - name: Run Composer installer.
-      ansible.builtin.command: >
-        php composer-installer.php
-        chdir=/tmp
-        creates=/usr/local/bin/composer
-    - name: Mov Composer into globally-accessible location.
-      ansible.builtin.command: >
-        mv /tmp/composer.phar /usr/local/bin/composer
-        creates=/usr/local/bin/composer
-
     - name: Ensure Drupal directory exists.
       ansible.builtin.file:
         path: "{{ drupal_core_path }}"
@@ -148,7 +134,7 @@
     - name: Create Drupal project.
       community.general.composer:
         command: create-project
-        arguments: drupal/recommended-project:^9 "{{ drupal_core_path }}"
+        arguments: drupal/recommended-project:^10 "{{ drupal_core_path }}"
         working_dir: "{{ drupal_core_path }}"
         no_dev: true
       become_user: www-data
@@ -165,7 +151,7 @@
     - name: Add drush to the Drupal site with composer.
       community.general.composer:
         command: require
-        arguments: "drush/drush:^11"
+        arguments: "drush/drush"
         working_dir: "{{ drupal_core_path }}"
       become_user: www-data
       when: not drupal_composer_json.stat.exists
@@ -175,7 +161,7 @@
         vendor/bin/drush si -y --site-name="{{ drupal_site_name }}"
         --account-name=admin
         --account-pass=admin
-        --db-url=mysql:://{{ domain }}:1234@localhost/{{ domain }}
+        --db-url=mysql://{{ domain }}:1234@localhost/{{ domain }}
         --root={{ drupal_core_path }}/web
         chdir={{ drupal_core_path }}
         creates={{ drupal_core_path }}/web/sites/default/settings.php