Build/Test Tools: Use MySQL 8.4 as the default.

MySQL 8.4 is the latest LTS.

See #62221.

git-svn-id: https://develop.svn.wordpress.org/trunk@59527 602fd350-edb4-49c9-b593-d223f7449a82

.env.example

@@ -51,7 +51,7 @@ LOCAL_DB_TYPE=mysql
 # When using `mysql`, see https://hub.docker.com/_/mysql for valid versions.
 # When using `mariadb`, see https://hub.docker.com/_/mariadb for valid versions.
 ##
-LOCAL_DB_VERSION=8.0
+LOCAL_DB_VERSION=8.4
 
 # Whether or not to enable multisite.
 LOCAL_MULTISITE=false

.github/workflows/reusable-phpunit-tests-v3.yml

@@ -26,7 +26,7 @@ on:
         description: 'Database version'
         required: false
         type: 'string'
-        default: '8.0'
+        default: '8.4'
       multisite:
         description: 'Whether to run tests as multisite'
         required: false

.github/workflows/reusable-test-local-docker-environment-v1.yml

@@ -27,7 +27,7 @@ on:
         description: 'Database version'
         required: false
         type: 'string'
-        default: '8.0'
+        default: '8.4'
       memcached:
         description: 'Whether to enable memcached'
         required: false