add comments to easystack file for installing TensorFlow/2.13.0-foss-…

…2023a for software.eessi.io

easystacks/software.eessi.io/2023.06/eessi-2023.06-eb-4.8.2-2023a.yml

@@ -1,12 +1,18 @@
 easyconfigs:
   - Rust-1.70.0-GCCcore-12.3.0.eb:
+      # fix build of Rust 1.70.0 by disabling download of pre-built LLVM;
+      # see https://github.com/easybuilders/easybuild-easyconfigs/pull/19264
       options:
         from-pr: 19264
   - foss-2023a.eb
   - pybind11-2.11.1-GCCcore-12.3.0.eb:
+      # avoid indirect dependency on old CMake version built with GCCcore/10.2.0 via Catch2 build dependency;
+      # see https://github.com/easybuilders/easybuild-easyconfigs/pull/19270
       options:
         from-pr: 19270
   - SciPy-bundle-2023.07-gfbf-2023a.eb
   - TensorFlow-2.13.0-foss-2023a.eb:
+      # patch setup.py for grpcio extension in TensorFlow 2.13.0 easyconfigs to take into account alternate sysroot;
+      # see https://github.com/easybuilders/easybuild-easyconfigs/pull/19268
       options:
         from-pr: 19268