Add --suppress=unknownMacro to cppcheck to ignore unknown macro JSON_INTEGER_FORMAT

Author: babelouest

.github/workflows/ccpp.yml

@@ -12,7 +12,7 @@ jobs:
         sudo apt-get update
         sudo apt-get install -y cmake pkg-config check libsubunit-dev cppcheck libsystemd-dev libsqlite3-dev default-libmysqlclient-dev libpq-dev libjansson-dev sqlite3
     - name: cppcheck
-      run: cppcheck --force --enable=warning --suppress=missingIncludeSystem --check-level=exhaustive --error-exitcode=1 .
+      run: cppcheck --force --enable=warning --suppress=missingIncludeSystem --check-level=exhaustive --suppress=unknownMacro --error-exitcode=1 .
     - name: dependencies
       run: |
         cd /opt