[clang-tools-extra] [clangd] Add CodePatterns config option under Completion (PR #137613)

[via cfe-commits]

================
@@ -267,6 +267,17 @@ opt<Config::HeaderInsertionPolicy> HeaderInsertion{
             "Never insert #include directives as part of code completion")),
 };
 
+opt<Config::CodePatternsPolicy> CodePatterns{
----------------
Noustaa wrote:

Done [1430d62](https://github.com/llvm/llvm-project/pull/137613/commits/1430d62625fe84ecea5ade72343031ffddbc7197)

https://github.com/llvm/llvm-project/pull/137613