Add torchao as a depdency

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ghstack-source-id: d2982d4
Pull Request resolved: #2386

Author: jerryzh168

install_requirements.sh

@@ -45,6 +45,8 @@ pip install --force-reinstall --pre transformers==${TRANSFORMERS_VERSION}
 TORCHSR_VERSION=1.0.4
 pip install --pre torchsr==${TORCHSR_VERSION}
 
+pip install torchao
+
 # Install ExecuTorch after dependencies are installed.
 pip install . --no-build-isolation