Upgrade prometheus-cpp #5278
Description
Enhancement
The current prometheus-cpp version is too old, with some bugs in compilation:
/home/yangkeao/Project/github.com/YangKeao/tiflash/contrib/prometheus-cpp/core/src/histogram.cc:53:38: error: no member named 'numeric_limits' in namespace 'std'
? std::numeric_limits<double>::infinity()
~~~~~^
/home/yangkeao/Project/github.com/YangKeao/tiflash/contrib/prometheus-cpp/core/src/histogram.cc:53:59: error: expected '(' for function-style cast or type construction
? std::numeric_limits<double>::infinity()
~~~~~~^
/home/yangkeao/Project/github.com/YangKeao/tiflash/contrib/prometheus-cpp/core/src/histogram.cc:53:62: error: no member named 'infinity' in the global namespace
? std::numeric_limits<double>::infinity()
This has been fixed in jupp0r/prometheus-cpp#442, Jan 5, 2021. The current version of prometheus-cpp in tiflash is ca1f34 in Oct 25, 2019.
This problem only occurs with libstdc++ >= 11 (as described in fix.