readme updated

Author: kassane

README.md

@@ -17,10 +17,10 @@ end with a fully operational Zig compiler for any target.
 This repository copies sources from upstream. Patches listed below. Use git
 to find and inspect the patch diffs.
 
- * LLVM, LLD, Clang 17.0.1 ([espressif fork](https://github.com/espressif/llvm-project))
+ * LLVM, LLD, Clang 18.1.2 ([espressif fork](https://github.com/espressif/llvm-project))
  * zlib 1.3
  * zstd 1.5.2
- * zig 0.12.0-dev.xtensa.2858+8e52bb152
+ * zig 0.13.0-dev
 
 For other versions, check the git tags of this repository.