[BUG] clang-tidy does not format the code

[kvedala]

Description

Code in some forks does not get formatted. For example, in #1016.

Expected Behavior

Github Actions should have formatted the source-code to the specs using clang-tidy.

Actual Behavior

clang-tidy did not format the code.

Possible Fix

Add an explicit clang-format command before clang-tidy

Steps to Reproduce

Context