Move the Memcached container into the Docker Compose config

[johnbillion]

When the test suite runs, two jobs run with Memcached enabled and the object-cache.php dropin in place. This setup happens inside the GitHub Action.

Let's move it into the Docker Compose config so a developer can make use of it on their local dev environment just by toggling the value of the LOCAL_PHP_MEMCACHED environment variable in the .env file.

Trac ticket: https://core.trac.wordpress.org/ticket/55700

This moves the Memcached container into the Docker Compose config so it can be used with the local dev environment just by flipping the LOCAL_PHP_MEMCACHED environment variable value.

[johnbillion]

In 53895:

Build/Test Tools: Move the Memcached container into the Docker Compose config.

This allows a developer to use the persistent Memcached object cache on their local development environment via the LOCAL_PHP_MEMCACHED environment variable.

Enable the memcached config via LOCAL_PHP_MEMCACHED=true in the .env file and then restart the environment with npm run env:restart.

Fixes #55700

https://core.trac.wordpress.org/changeset/53895

[desrosj]

In 58357:

Build/Test Tools: Make use of new reusable workflows for 6.0.

This updates the 6.0 branch to utilize the new reusable workflows in trunk introduced in [58165].

This also includes backports for a some additional improvements and bug fixes that are necessary for the local development environment to continue working long term:

• The image and platform properties for the mysql container have been updated to always prefer amd64 containers (#60822).
• macos-13 is now pinned for MacOS jobs instead of macos-latest (#61340).
• Run E2E tests with and without SCRIPT_DEBUG (#58661).
• Migrating to Docker Compose V2 (#60901).
• Removing the version property from docker-compose.yml (#59416).
• Improvements to how artifacts and comments for Playground testing are generated.
• Removing SVN related commands causing failures (#61216).
• Updating the actions/github-scripts action to the latest version.
• Move the Memcached container into the Docker Compose config (#55700).
• Configure Xdebug modes in the local Docker environment (#56022).

Merges [53895], [53552], [56113], [56114], [57918], [58157], [57124], [57125], [57249] to the 6.0 branch.

Props johnbillion, joemcgill, swissspidy, thelovekesh, narenin, mukesh27, JeffPaul, peterwilsoncc, zieladam, ockham, SergeyBiryukov, jorbin, Clorith, afragen.
See #55700, #61340, #60822, #61216, #60901, #61101, #59416, #59805, #61213, #58661.

[desrosj]

In 58358:

Build/Test Tools: Make use of new reusable workflows for 5.9.

This updates the 5.9 branch to utilize the new reusable workflows in trunk introduced in [58165].

This also includes backports for a some additional improvements and bug fixes that are necessary for the local development environment to continue working long term:

• The image and platform properties for the mysql container have been updated to always prefer amd64 containers (#60822).
• macos-13 is now pinned for MacOS jobs instead of macos-latest (#61340).
• Run E2E tests with and without SCRIPT_DEBUG (#58661).
• Migrating to Docker Compose V2 (#60901).
• Removing the version property from docker-compose.yml (#59416).
• Improvements to how artifacts and comments for Playground testing are generated.
• Removing SVN related commands causing failures (#61216).
• Updating the actions/github-scripts action to the latest version.
• Move the Memcached container into the Docker Compose config (#55700).
• Configure Xdebug modes in the local Docker environment (#56022).

Merges [53895], [53552], [56113], [56114], [57918], [58157], [57124], [57125], [57249] to the 5.9 branch.

Props johnbillion, joemcgill, swissspidy, thelovekesh, narenin, mukesh27, JeffPaul, peterwilsoncc, zieladam, ockham, SergeyBiryukov, jorbin, Clorith, afragen.
See #55700, #61340, #60822, #61216, #60901, #61101, #59416, #59805, #61213, #58661.

[desrosj]

In 58597:

Build/Test Tools: Make use of new reusable workflows for 5.8.

This updates the 5.8 branch to utilize the new reusable workflows in trunk introduced in [58165].

This also includes backports for a some additional improvements and bug fixes that are necessary for the local development environment to continue working long term:

• The image and platform properties for the mysql container have been updated to always prefer amd64 containers (#60822).
• macos-13 is now pinned for MacOS jobs instead of macos-latest (#61340).
• Run E2E tests with and without SCRIPT_DEBUG (#58661).
• Migrating to Docker Compose V2 (#60901).
• Removing the version property from docker-compose.yml (#59416).
• Improvements to how artifacts and comments for Playground testing are generated.
• Removing SVN related commands causing failures (#61216).
• Updating the actions/github-scripts action to the latest version.
• Move the Memcached container into the Docker Compose config (#55700).
• Configure Xdebug modes in the local Docker environment (#56022).
• Cache the results of PHP_CodeSniffer runs (#49783).

Merges [52179], [53895], [53552], [56113], [56114], [57918], [58157], [57124], [57125], [57249] to the 5.8 branch.

Props johnbillion, joemcgill, swissspidy, thelovekesh, narenin, mukesh27, JeffPaul, peterwilsoncc, zieladam, ockham, SergeyBiryukov, jorbin, Clorith, afragen, jrf.
See #48783, #55700, #61340, #60822, #61216, #60901, #61101, #59416, #59805, #61213, #58661.