Update template engine package

Author: ilijastuden

composer.json

@@ -11,7 +11,7 @@
         "ext-json": "*",
         "activecollab/containeraccess": "^2.0",
         "activecollab/etag": "^1.0",
-        "activecollab/templateengine": "^2.0",
+        "activecollab/templateengine": "^3.0",
         "activecollab/utils": "^2.0",
         "psr/http-factory": "^1.0",
         "psr/http-message": "^1.0",