ClangFormat: Fix compilation with LLVM 15

Change-Id: I7990e8331c317d3bc363be610b2585d37dee4445
Reviewed-by: <github-actions-qt-creator@cristianadam.eu>
Reviewed-by: Christian Kandeler <christian.kandeler@qt.io>
(cherry picked from commit a1bfcbf30d)
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>
Reviewed-by: Eike Ziller <eike.ziller@qt.io>

src/plugins/clangformat/clangformatutils.cpp

@@ -118,7 +118,11 @@ clang::format::FormatStyle qtcStyle()
     style.ColumnLimit = 100;
     style.CommentPragmas = "^ IWYU pragma:";
     style.CompactNamespaces = false;
+#if LLVM_VERSION_MAJOR >= 15
+    style.PackConstructorInitializers = FormatStyle::PCIS_BinPack;
+#else
     style.ConstructorInitializerAllOnOneLineOrOnePerLine = false;
+#endif
     style.ConstructorInitializerIndentWidth = 4;
     style.ContinuationIndentWidth = 4;
     style.Cpp11BracedListStyle = true;