Fix doc build GLIBCXX_3.4.30 not found

Author: huydhn

.ci/docker/common/install_conda.sh

@@ -44,13 +44,15 @@ install_pip_dependencies() {
 }
 
 fix_conda_ubuntu_libstdcxx() {
+  cat /etc/issue
   # WARNING: This is a HACK from PyTorch core to be able to build PyTorch on 22.04.
-  # The issue still exists with the latest conda 23.10.0-1 at the time of writing
-  # (2023/11/16).
+  # Specifically, ubuntu-20+ all comes lib libstdc++ newer than 3.30+, but anaconda
+  # is stuck with 3.29. So, remove libstdc++6.so.3.29 as installed by
+  # https://anaconda.org/anaconda/libstdcxx-ng/files?version=11.2.0
   #
   # PyTorch sev: https://github.com/pytorch/pytorch/issues/105248
   # Ref: https://github.com/pytorch/pytorch/blob/main/.ci/docker/common/install_conda.sh
-  if grep -e "[12][82].04.[623]" /etc/issue >/dev/null; then
+  if grep -e "2[02].04.[5623]" /etc/issue >/dev/null; then
     rm "/opt/conda/envs/py_${PYTHON_VERSION}/lib/libstdc++.so.6"
   fi
 }