ci: aarch64 linux: fix torch performance issue with conda openblas pa…

…ckage

changing the conda openblas package from pthread version
to openmp version to match torch openmp runtime. The pthread
version was conflicting with the openmp runtime and causing
thread over-subscription and performance degradation.

aarch64_linux/aarch64_ci_setup.sh

@@ -30,7 +30,7 @@ if [[ "$DESIRED_PYTHON"  == "3.8" ]]; then
 else
     NUMPY_VERSION="1.26.2"
 fi
-conda install -y -c conda-forge numpy==${NUMPY_VERSION} pyyaml==6.0.1 patchelf==0.17.2 pygit2==1.13.2 openblas==0.3.25 ninja==1.11.1 scons==4.5.2
+conda install -y -c conda-forge numpy==${NUMPY_VERSION} pyyaml==6.0.1 patchelf==0.17.2 pygit2==1.13.2 openblas==0.3.25=*openmp* ninja==1.11.1 scons==4.5.2
 
 python --version
 conda --version