[clang-tools-extra] [clang-tidy] Add readability-use-span-first-last check (PR #118074)

[via cfe-commits]

================
@@ -0,0 +1,24 @@
+.. title:: clang-tidy - readability-use-span-first-last
+
+readability-use-span-first-last
+===============================
+
+Checks for uses of ``std::span::subspan()`` that can be replaced with clearer
----------------
EugeneZelenko wrote:

Please synchronize first statement with Release Notes.

https://github.com/llvm/llvm-project/pull/118074