Set versions of libraries AlphaFold Colab notebook depends on.

PiperOrigin-RevId: 390553964
Change-Id: Ia5bc6e12ab3f1a7827b7d914c93f6990a1139780

notebooks/AlphaFold.ipynb

@@ -125,7 +125,10 @@
     "      %shell rm -rf alphafold\n",
     "      %shell git clone {GIT_REPO} alphafold\n",
     "      pbar.update(8)\n",
-    "      %shell pip3 install ./alphafold\n",
+    "      # Install the required versions of all dependencies.\n",
+    "      %shell pip3 install -r ./alphafold/requirements.txt\n",
+    "      # Run setup.py to install only AlphaFold.\n",
+    "      %shell pip3 install --no-dependencies ./alphafold\n",
     "      pbar.update(10)\n",
     "\n",
     "      # Apply OpenMM patch.\n",