Sync CMake.gitignore template

I'm experimenting with cmake presets so this is helpful.

Ref: https://github.com/github/gitignore/blob/main/CMake.gitignore

Author: deckstose

.gitignore

@@ -84,6 +84,7 @@ install_manifest.txt
 compile_commands.json
 CTestTestfile.cmake
 _deps
+CMakeUserPresets.json
 
 # CLion
 cmake-build-*