CI: Change name and commit message of formatting job

The format job actually runs more than just clang-format these days.
Change message to hint more directly towards what it does. Change job
name to 'format'.

.github/workflows/format.yml

@@ -1,7 +1,7 @@
 # DESCRIPTION: Github actions config
 # SPDX-License-Identifier: LGPL-3.0-only OR Artistic-2.0
 
-name: clang-format
+name: format
 
 on:
   push:
@@ -38,6 +38,6 @@ jobs:
       - name: Push
         run: |
           if [ -n "$(git status --porcelain)" ]; then
-            git commit . -m "Apply clang-format" &&
+            git commit . -m "Apply 'make format'" &&
             git push origin
           fi