Changing the proto to MD as keeping the proto would skip the coverage…

… status check as there is no call to the coverage reporter yet and that will only be introduced with the upcoming pr to upload the artifacts, and use them to derive a coverage status

.github/workflows/code_coverage.yml

@@ -240,7 +240,7 @@ jobs:
         env:
           CHANGED_FILES: ${{ env.CHANGED_FILES }}
         run: |
-          bazel run //scripts:run_coverage -- $(pwd) $CHANGED_FILES --format=PROTO --processTimeout=15
+          bazel run //scripts:run_coverage -- $(pwd) $CHANGED_FILES --format=MARKDOWN --processTimeout=15
 
   # Reference: https://github.community/t/127354/7.
   check_coverage_results: