Php8.1 deprecations

Update composer dependencies:jards/eventsapiclient to 3.4, jards/gcsjardsapiclient to 2.3

composer.json

@@ -16,16 +16,16 @@
     ],
 	"require": {
 		"silex/silex" : "^2.3",
-		"jards/eventsapiclient": "=3.3",
-		"jards/gcsjardsapiclient": "=2.2",
-		"phpmailer/phpmailer": ">=6.0"
+		"phpmailer/phpmailer": ">=6.0",
+		"jards/eventsapiclient": "=3.4",
+		"jards/gcsjardsapiclient": "=2.3"
 	},
 	"require-dev": {
-        "phpunit/phpunit": "^7.0"
+        "phpunit/phpunit": "^9.5.5"
     },
 	 "autoload": {
         "psr-4": {	"jards\\eventsapi\\": "lib/",
         			"jards\\eventsapi\\tests\\": "tests/"
         		}
     }
-}
+}
\ No newline at end of file