Bump PHP min version

Add out suggested packaged to require-dev

Author: lucasnetau

composer.json

@@ -6,15 +6,17 @@
   "authors": [ { "name": "James Lucas", "email": "james@lucas.net.au" } ],
   "type": "library",
   "require": {
-    "php": ">=7.2",
+    "php": ">=7.4",
     "ext-json": "*"
   },
   "suggest": {
     "evenement/evenement": "Used by the React Stream Decoder to emit events",
     "clue/ndjson-react": "Used by the React Stream Decoder to process NDJSON input"
   },
   "require-dev": {
-    "kelunik/fqn-check": "^0.1.3"
+    "kelunik/fqn-check": "^0.1.3",
+    "clue/ndjson-react": "^1.2",
+    "evenement/evenement": "^3.0.1"
   },
   "autoload": {
     "psr-4": {"EdgeTelemetrics\\JSON_RPC\\": "src/"}