fix: py-tensorflow@2.18, but with %clang

spack-environment/packages.yaml

@@ -292,8 +292,7 @@ packages:
     - +plot
   protobuf:
     require:
-    - '@3.25.3'
-    #- '@3.28.2'
+    - '@3.28.2'
   pyrobird:
     require:
     - '@0.1.23'
@@ -379,8 +378,8 @@ packages:
     - '@3.6.0'
   py-protobuf:
     require:
-    - '@4.25.3' # py-tensorflow@:2.17
-    #- '@5.28.2' # py-tensorflow@2.18:
+    - '%clang'
+    - '@5.28.2'
   py-pygithub:
     require:
     - '@2.1.1'
@@ -398,7 +397,7 @@ packages:
     - '@0.13.2'
   py-tensorflow:
     require:
-    - '@2.17.1'
+    - '@2.18'
   py-toml:
     require:
     - '@0.10.2'