[ci/fix] bad file/regex for clang-format CI

Forgot to double check output of the CI based on clang-format version
and actual diff output.
6 jobs for ci-format-fix in 3 minutes and 20 seconds (queued for 1 second)
Status Job ID Name Coverage
  Style
passed #67284
nix kvm
clang-format

00:00:02

passed #67283
nix kvm
repoquality

00:00:02

passed #67285
nix kvm
style:docs

00:00:28

 
  Build
passed #67286
nix kvm
make:generic

00:00:44

passed #67288
knl
make:knl

00:02:50

passed #67287
nix kvm
make:out-of-tree

00:00:39