[clang-tools-extra] [clang-tidy] Fix link to CERT C Coding Standard ERR33-C (PR #205086)

[via cfe-commits]

lucaslive974 wrote:

Thanks for the review and the tip with grep! I've just pushed a new commit updating all the remaining wiki.sei.cmu.edu links to the new GitHub Pages domain (including the trailing slashes avoiding a extra redirect) across the clang-tidy/checks directory

https://github.com/llvm/llvm-project/pull/205086