gsoc: SustainableQuantum: fix pennylane.io link

Author: wdconinc

_gsocproposals/2025/proposal_SustainableQuantum.md

@@ -27,7 +27,7 @@ Reconstructing the trajectories of charged particles as they traverse several de
 
 * Basic understanding of track reconstruction at LHC using [ACTS](https://acts.readthedocs.io/en/latest/) and/or [Allen framework](https://allen-doc.docs.cern.ch/index.html).
 * Familiarizing her/himself with trackML simulation datasets <https://www.kaggle.com/competitions/trackml-particle-identification/data?select=train_sample.zip>.
-* Learning how to use the quantum simulator for QML algorithms https://pennylane.ai/. 
+* Learning how to use the quantum simulator for QML algorithms <https://pennylane.ai/>. 
 
 
 ## Milestones