Add help for projects that requires "minimum-stability": "stable"

[oliverskawronek]

In a project with minimum-stability: stable (which is the default stability of a new Laravel project)

composer require hafael/azure-mailer-driver is not enough to install the latest v0.3.0. Composer will fallback to v0.2.2.

The problem is, that the dependend package symfony/azure-mailer has currently no stable version.

azure-mailer-driver/composer.json

Line 11 in e793d56

"symfony/azure-mailer": "^7.0"

When I try to explicit install v0.3.0 this happens:

composer require hafael/azure-mailer-driver:v0.3.0
./composer.json has been updated
Running composer update hafael/azure-mailer-driver
Loading composer repositories with package information
Updating dependencies
Your requirements could not be resolved to an installable set of packages.

  Problem 1
    - Root composer.json requires hafael/azure-mailer-driver v0.3.0 -> satisfiable by hafael/azure-mailer-driver[v0.3.0].
    - hafael/azure-mailer-driver v0.3.0 requires symfony/azure-mailer ^7.0 -> found symfony/azure-mailer[7.1.x-dev] but it does not match your minimum-stability.

Solution which can be documented in the README.md
Allow unstable version of symfony/azure-mailer first:
composer require symfony/azure-mailer:@dev
Now its fine to run
composer require hafael/azure-mailer-driver
which install v0.3.0

But I get one more problem at runtime during a mail send:

You cannot use \"Symfony\\Component\\Mailer\\Transport\\AbstractHttpTransport\" as the HttpClient component is not installed. Try running \"composer require symfony/http-client\

So yes, I have to
composer require symfony/http-client
And now it works. I think this could also part of your README.md.