Compiler warning: struct std::iterator’ is deprecated

Summary

./src/caosdb/result_table.cpp:21:
/home/joscha/caosdb/src/caosdb-cpplib/include/caosdb/result_table.h:85:31: warning: ‘template<class _Category, class _Tp, class _Distance, class _Pointer, class _Reference> struct std::iterator’ is deprecated [-Wdeprecated-declarations]
   85 |   class HeaderIterator : std::iterator<std::output_iterator_tag, ResultTableColumn> {

...

./include/caosdb/entity.h:245:32: warning: ‘template<class _Category, class _Tp, class _Distance, class _Pointer, class _Reference> struct std::iterator’ is deprecated [-Wdeprecated-declarations]
  245 |   class iterator : public std::iterator<std::output_iterator_tag, T> {

Expected Behavior

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Actual Behavior

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Specifications

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Possible fixes

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