[aarch64] Add PT Docker build image for aarch64 (pytorch#106881)

# Changes
* Update `generate_binary_build_matrix.py` for aarch64 to use `pytorch/manylinuxaarch64-builder:cpu` when it is created
* Executed `generate_binary_build_matrix.py` to update `generated-linux-aarch64-binary-manywheel-nightly.yml`

Aarch64 build/test will fail till the new docker image is available for consmption.

Builder PR to build docker image : pytorch/builder#1472

This switches nightly to use the docker build : https://hud.pytorch.org/hud/pytorch/pytorch/nightly/1?per_page=50&name_filter=aarch64
Pull Request resolved: pytorch#106881
Approved by: https://github.com/atalman

.github/scripts/generate_binary_build_matrix.py

@@ -49,7 +49,7 @@ def arch_type(arch_version: str) -> str:
     },
     "cpu": "pytorch/manylinux-builder:cpu",
     "cpu-cxx11-abi": "pytorch/manylinuxcxx11-abi-builder:cpu-cxx11-abi",
-    "cpu-aarch64": "quay.io/pypa/manylinux2014_aarch64",
+    "cpu-aarch64": "pytorch/manylinuxaarch64-builder:cpu-aarch64",
 }
 
 CONDA_CONTAINER_IMAGES = {