(fix) Fix clang version line

.gitlab-ci.yml

@@ -24,7 +24,7 @@ format:
     <<: *global_tag_def
     stage: build
     script:
-        - clang-format --version # we use clang-format-10 exclusively
+        - clang-format-11 --version # we use clang-format-11 exclusively
         - ./format/format.py
         - mkdir -p patches
         - if git diff --patch --exit-code > patches/clang-format.patch; then echo "Clang format changed nothing"; else echo "Clang format found changes to make!"; false; fi