composer: require paragonie/ecc instead of mdanter/ecc

Author: kornrunner

composer.json

@@ -5,7 +5,7 @@
     "require": {
         "php": ">=7.3",
         "kornrunner/keccak": "^1.0",
-        "mdanter/ecc": "^1"
+        "paragonie/ecc": "^2"
     },
     "require-dev": {
         "phpunit/phpunit": "^9"