clang-format: copy latest and re-format

clang-format-16 has some backwards incompatible changes that require
additional settings for best compatibility and re-running the formatter.
Copy the latest .clang-format from the docs repository and reformat the
repository.

Change-Id: I27b0d1357211259edb6ec2776924729052f238d6
Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
diff --git a/attn/pel/user_header.hpp b/attn/pel/user_header.hpp
index 87cad50..9c8f13d 100644
--- a/attn/pel/user_header.hpp
+++ b/attn/pel/user_header.hpp
@@ -33,12 +33,12 @@
 class UserHeader : public Section
 {
   public:
-    UserHeader()                             = delete;
-    ~UserHeader()                            = default;
-    UserHeader(const UserHeader&)            = default;
+    UserHeader() = delete;
+    ~UserHeader() = default;
+    UserHeader(const UserHeader&) = default;
     UserHeader& operator=(const UserHeader&) = default;
-    UserHeader(UserHeader&&)                 = default;
-    UserHeader& operator=(UserHeader&&)      = default;
+    UserHeader(UserHeader&&) = default;
+    UserHeader& operator=(UserHeader&&) = default;
 
     /**
      * @brief Constructor