Update symfony/notifier requirement from ^6.0 to ^7.1

[dependabot]

Updates the requirements on symfony/notifier to permit the latest version.

Release notes

Sourced from symfony/notifier's releases.

v7.1.1

Changelog (symfony/notifier@v7.1.0...v7.1.1)

• no significant changes

Changelog

Sourced from symfony/notifier's changelog.

CHANGELOG

6.3

• Introduce FromNotificationInterface for MessageInterface implementations

6.2

• Add PHPUnit constraints
• Add from property in SmsMessage

6.1

• Use importance level to set flash message type

5.4.21

• [BC BREAK] The following data providers for TransportTestCase are now static: toStringProvider(), supportedMessagesProvider() and unsupportedMessagesProvider()
• [BC BREAK] TransportTestCase::createTransport() is now static

5.4

• Add SentMessageEvent and FailedMessageEvent
• Add push channel

5.3

• The component is not marked as @experimental anymore
• [BC BREAK] Change signature of Dsn::__construct() method from: public function __construct(string $scheme, string $host, ?string $user = null, ?string $password = null, ?int $port = null, array $options = [], ?string $path = null) to: public function __construct(string $dsn)
• [BC BREAK] Remove Dsn::fromString() method
• [BC BREAK] Changed the return type of AbstractTransportFactory::getEndpoint() from ?string to string
• Added DSN::getRequiredOption method which throws a new MissingRequiredOptionException.

5.2.0

• [BC BREAK] The TransportInterface::send() and AbstractTransport::doSend() methods changed to return a ?SentMessage instance instead of void.
• The EmailRecipientInterface and RecipientInterface were introduced.
• Added email and phone properties to Recipient.
• [BC BREAK] Changed the type-hint of the $recipient argument in the as*Message() method

... (truncated)

Commits

• 49543dd Merge branch '7.0' into 7.1
• d88ddb9 Merge branch '6.4' into 7.0
• 8def581 Merge branch '5.4' into 6.4
• c2c0612 Revert "minor #54653 Auto-close PRs on subtree-splits (nicolas-grekas)"
• c3b54ae Merge branch '7.0' into 7.1
• 1e457d6 Merge branch '6.4' into 7.0
• f6e526e Merge branch '5.4' into 6.4
• bb4d7c2 Remove calls to onConsecutiveCalls()
• 7cffc8c Merge branch '7.0' into 7.1
• 1eeee15 Merge branch '6.4' into 7.0
• Additional commits viewable in compare view

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