DeepChem Updates of February (Week 2), 2024

Here is a quick summary of merged pull requests for DeepChem during the second week of February:
1. Update tutorials to discord: This PR updates tutorials, An_Introduction_To_Moleculenet and Atomic_Contributions_for_Molecules, to discord.
2. Ci Fix - Storage issues on github runners: This PR updates setup-miniconda, fixes deprecation warnings and fixes CI for storage issue on github runner.