Upgrade to LDflex 2.11.1.

Author: RubenVerborgh

package-lock.json

@@ -25,7 +25,7 @@
     "@ldflex/comunica": "^3.4.0",
     "@rdfjs/data-model": "^1.1.2",
     "@solid/context": "^1.1.0",
-    "ldflex": "^2.10.0",
+    "ldflex": "^2.11.1",
     "solid-auth-client": "^2.4.1",
     "uuid": "^7.0.1"
   },