selfcheck.yml: added suppressions for conditionally unused code

Author: firewave

.github/workflows/selfcheck.yml

@@ -124,6 +124,7 @@ jobs:
       # TODO: find a way to report unmatched suppressions without need to add information checks
       - name: Self check (unusedFunction / no test / no gui)
         run: |
+          supprs="--suppress=unusedFunction:lib/errorlogger.h:193 --suppress=unusedFunction:lib/importproject.cpp:1508 --suppress=unusedFunction:lib/suppressions.cpp:448"
           ./cppcheck -q --template=selfcheck --error-exitcode=1 --library=cppcheck-lib -D__CPPCHECK__ -D__GNUC__ --enable=unusedFunction,information --exception-handling -rp=. --project=cmake.output.notest_nogui/compile_commands.json --suppressions-list=.selfcheck_unused_suppressions --inline-suppr
         env:
           DISABLE_VALUEFLOW: 1