Build: Fix version check and composer version

Author: SMillerDev

build.xml

@@ -189,6 +189,6 @@
     </target>
 
     <target name="-phar-determine-version">
-        <exec command="php ${project.basedir}/phpdraft --version | grep -ohE '([0-9]{1,}\.)+[0-9]{1,}'" outputproperty="version"/>
+        <exec command="php ${project.basedir}/phpdraft --version | grep -ohE '([0-9]{1,}\.)+[0-9]{1,}-?(rc|beta)?[0-9]?'" outputproperty="version"/>
     </target>
 </project>

composer.json

@@ -18,7 +18,7 @@
     }
   ],
   "require": {
-    "php": "^7.3",
+    "php": "^7.3||^8.0",
     "ql/uri-template": "~1.0",
     "vanilla/garden-cli": "~3.0",
     "michelf/php-markdown": "~1.9",