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: I5daa012bf76924eb7a7d22ed31b6b77ad2f723df
Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
diff --git a/src/async/match.cpp b/src/async/match.cpp
index 410e840..ae8ed73 100644
--- a/src/async/match.cpp
+++ b/src/async/match.cpp
@@ -6,8 +6,8 @@
 match::match(context& ctx, const std::string_view& pattern)
 {
     // C-style callback to redirect into this::handle_match.
-    static auto match_cb = [](message::msgp_t msg, void* ctx,
-                              sd_bus_error*) noexcept {
+    static auto match_cb =
+        [](message::msgp_t msg, void* ctx, sd_bus_error*) noexcept {
         static_cast<match*>(ctx)->handle_match(message_t{msg});
         return 0;
     };