PHP 8 Compatibility

composer.json

@@ -28,13 +28,14 @@
         "ext-session" : "*",
         "christian-riesen/otp" : "1.4.3",
         "eluceo/ical": "0.16.1",
-        "erusev/parsedown" : "^1.7",
+        "erusev/parsedown" : "1.7.4",
         "pimple/pimple" : "3.5.0",
-        "psr/log": "~1.0",
+        "psr/log": "1.1.4",
         "swiftmailer/swiftmailer" : "5.4.8",
-        "symfony/console" : "4.2.12",
-        "symfony/event-dispatcher" : "3.4.2",
-        "gregwar/captcha": "1.1.9"
+        "symfony/console" : "4.4.37",
+        "symfony/event-dispatcher" : "4.4.37",
+        "gregwar/captcha": "1.1.9",
+        "symfony/finder": "5.4.3"
     },
     "autoload" : {
         "classmap" : ["app/"],
@@ -56,7 +57,7 @@
     },
     "require-dev" : {
         "symfony/stopwatch" : "5.4.3",
-        "phpunit/phpunit" : "^7",
+        "phpunit/phpunit" : "9.5.13",
         "roave/security-advisories": "dev-master"
     }
 }