Update dependency wildbit/postmark-php to v7

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
wildbit/postmark-php	^2.9||^3.0||^4.0||^6.0 → ^2.9||^3.0||^4.0||^6.0 || ^7.0

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Release Notes

ActiveCampaign/postmark-php (wildbit/postmark-php)

v7.0.0

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Added

• Full PHP 8.4 compatibility and support
• Explicit nullable parameter type declarations for better type safety

Changed

• Upgraded PHPUnit from ^9 to ^10.0 for better PHP 8.4 compatibility
• Updated PHPDoc type annotations to match actual method signatures
• Fixed all implicit nullable parameter deprecation warnings in PHP 8.4

Fixed

• Resolved 20+ PHP 8.4 deprecation warnings related to implicit nullable parameters
• Fixed PHPStan static analysis issues with type mismatches
• Corrected return type declaration for processRestRequest() method

Technical Details

• Updated PostmarkAdminClient.php - Fixed 15+ method parameters with explicit nullable types
• Updated PostmarkAttachment.php - Fixed constructor and static method parameters
• Updated WebhookConfiguration.php and WebhookConfigurationTriggers.php - Fixed nullable parameters
• Updated various model classes with proper nullable type declarations
• All tests pass on PHP 8.1, 8.2, 8.3, and 8.4
• Zero deprecation warnings on PHP 8.4

v6.1.0: Now Supports PHP 8.4

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What's Changed

• Updated php version to use 8.4 - thanks to @​joelharkes
• Updated MessageEvents to check it's set before accessing - thanks to @​TristanPouliquen
• Added ReceivedAt on the click and open message events - thanks to @​tysonlist
• Updated a couple of unit tests
• Addressed issue #​153 (double nesting message events)
• Addressed issue #​155 (reply can now be string or array)

New Contributors (ordered by pull request number)

• @​tysonlist made their first contribution in #​150
• @​TristanPouliquen made their first contribution in #​151
• @​joelharkes made their first contribute in #​154

Full Changelog: ActiveCampaign/postmark-php@v6.0.9...v6.1.0* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *

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