Update Two More Clang Paths

Author: ax3l

.github/ci/spack-envs/clang11_nopy_ompi_h5_ad2/spack.yaml

@@ -48,8 +48,8 @@ spack:
       modules: []
       operating_system: ubuntu22.04
       paths:
-        cc: /usr/lib/llvm-11/bin/clang
-        cxx: /usr/lib/llvm-11/bin/clang++
+        cc: /usr/bin/clang-11
+        cxx: /usr/bin/clang++-11
         f77: /usr/bin/gfortran
         fc: /usr/bin/gfortran
       spec: clang@11.1.0

.github/ci/spack-envs/clang15_py311_nompi_h5_ad2/spack.yaml

@@ -44,8 +44,8 @@ spack:
       modules: []
       operating_system: ubuntu22.04
       paths:
-        cc: /usr/lib/llvm-15/bin/clang
-        cxx: /usr/lib/llvm-15/bin/clang++
+        cc: /usr/bin/clang-15
+        cxx: /usr/bin/clang++-15
         f77: /usr/bin/gfortran
         fc: /usr/bin/gfortran
       spec: clang@15.0.7

.github/ci/spack-envs/clangtidy_nopy_ompi_h5_ad2/spack.yaml

@@ -48,8 +48,8 @@ spack:
       modules: []
       operating_system: ubuntu22.04
       paths:
-        cc: /usr/lib/llvm-14/bin/clang
-        cxx: /usr/lib/llvm-14/bin/clang++
+        cc: /usr/bin/clang-14
+        cxx: /usr/bin/clang++-14
         f77: /usr/bin/gfortran
         fc: /usr/bin/gfortran
       spec: clang@14.0.0