Rename project in version string

Signed-off-by: Marcin Mikołajczak <me@mkljczk.pl>

lib/Model/Instance.php

@@ -92,7 +92,7 @@ class Instance implements IQueryRow, JsonSerializable {
 	}
 
 	public function getVersion(): string {
-		return '4.1.0 (compatible; NextCloud ' . $this->version . ')';
+		return '4.1.0 (compatible; Nextcloud Social ' . $this->version . ')';
 	}
 
 	public function setVersion(string $version): self {