Upgrade to PHP 8.1 (#6711)

* Upgrade to PHP 8.1
As discussed in https://github.com/FreshRSS/FreshRSS/discussions/5474

https://www.php.net/releases/8.0/en.php
https://www.php.net/releases/8.1/en.php

Upgrade to available native type declarations
https://php.net/language.types.declarations

Upgrade to https://phpunit.de/announcements/phpunit-10.html which requires PHP 8.1+ (good timing, as version 9 was not maintained anymore)

Upgrade `:oldest` Docker dev image to oldest Alpine version supporting PHP 8.1: Alpine 3.16, which includes PHP 8.1.22.

* Include 6736
https://github.com/FreshRSS/FreshRSS/pull/6736

1 files changed, 1 insertions, 1 deletions

diff --git a/lib/Minz/ConfigurationSetterInterface.php b/lib/Minz/ConfigurationSetterInterface.php
index f141a1a6f..451d4cb0e 100644
--- a/lib/Minz/ConfigurationSetterInterface.php
+++ b/lib/Minz/ConfigurationSetterInterface.php
@@ -16,5 +16,5 @@ interface Minz_ConfigurationSetterInterface {
 	 * @param string $key the key to update.
 	 * @param mixed $value the value to set.
 	 */
-	public function handle(&$data, string $key, $value): void;
+	public function handle(array &$data, string $key, mixed $value): void;
 }