Updated dependencies (php>=7.3)

Author: prwater

build.xml

@@ -9,4 +9,8 @@
     <target name="update">
         <exec command="composer update" checkreturn="true" passthru="true"/>
     </target>
+
+    <!-- Runs all unit tests -->
+    <target name="unit">
+    </target>
 </project>

composer.json

@@ -4,11 +4,10 @@
   "keywords": [
     "PhpStratum"
   ],
-  "type": "library",
   "license": "MIT",
   "require": {
-    "php": ">=7.3.0",
-    "symfony/console": "^4.0 || ^5.0"
+    "php": ">=7.3",
+    "symfony/console": "^5.0"
   },
   "require-dev": {
     "phing/phing": "^2.0"
@@ -24,6 +23,7 @@
     }
   },
   "config": {
-    "bin-dir": "bin/"
+    "bin-dir": "bin/",
+    "sort-packages": true
   }
 }