Revise C++ coding style using clang-format with "east const"

Run the `clang-format.bash` script to update all our C and C++ code to a
new style defined by `.clang-format`, now with "east const" enforcement.
Use `clang-format` version 18.

* If you reached this commit for a line in `git blame`, re-run the blame
  operation starting at the parent of this commit to see older history
  for the content.

* See the parent commit for instructions to rebase a change across this
  style transition commit.

Issue: #26123

Source/cmComputeComponentGraph.h

@@ -54,7 +54,7 @@ public:
     return this->TarjanComponents;
   }
 
-  static const size_t INVALID_COMPONENT;
+  static size_t const INVALID_COMPONENT;
 
 private:
   void TransferEdges();