add PyTorch 2.1.2 issue (too many failing tests) for Sapphire Rapids

Author: bedroge

eessi-2023.06-known-issues.yml

@@ -56,3 +56,7 @@
   - SciPy-bundle-2023.11-gfbf-2023b:
     - issue: https://github.com/EESSI/software-layer/issues/318
     - info: "2 failing tests (vs 54876 passed) in scipy test suite"
+- x86_64/intel/sapphire_rapids:
+  - PyTorch-2.1.2-foss-2023a:
+    - issue: https://github.com/EESSI/software-layer/issues/461
+    - info: "4 failing tests (out of 209567) on x86_64/intel/sapphire_rapids"