treewide: add version to packages

Lots of packages are missing versions in their name. This adds them
where appropriate. These were found with this command:

 $ nix-env -qa -f. | grep -v '\-[0-9A-Za-z.-_+]*$' | grep -v '^hook$'

See issue #41007.

pkgs/development/compilers/emscripten/fastcomp/default.nix

@@ -15,7 +15,7 @@ let
       '';
     };
     emscriptenfastcomp = symlinkJoin {
-      name = "emscriptenfastcomp";
+      name = "emscriptenfastcomp-${stdenv.lib.getVersion self.emscriptenfastcomp-unwrapped}";
       paths = [ self.emscriptenfastcomp-wrapped self.emscriptenfastcomp-unwrapped ];
       preferLocalBuild = false;
       allowSubstitutes = true;