[TASK] Use booled value as return instead of "1"

extensions/ter/Classes/Api/ExtensionVersion.php

@@ -99,7 +99,7 @@ class ExtensionVersion
      */
     public function isValidVersionNumber(): bool
     {
-        return preg_match('/^(0|[1-9]\d{0,2})\.(0|[1-9]\d{0,2})\.(0|[1-9]\d{0,2})$/', $this->version) === 1;
+        return (bool)preg_match('/^(0|[1-9]\d{0,2})\.(0|[1-9]\d{0,2})\.(0|[1-9]\d{0,2})$/', $this->version);
         // alternative (preg_match('/^[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}$/', $version) !== false) {
     }