cc statistics: increase recommended label length limit from 31 to 32

This affects default metrics portability warnings.
commit_hash:75d781dbf2b132a6c54cd06ebde9f5a275fb5270

Author: Anton3

core/src/utils/statistics/solomon_limits.hpp

@@ -14,7 +14,7 @@ inline constexpr std::array<std::string_view, 6> kReservedLabelNames =
 // https://solomon.yandex-team.ru/docs/concepts/data-model#limits
 // "application" is in commonLabels and can be overridden (nginx system metrics)
 inline constexpr std::size_t kMaxLabels = 32 - kReservedLabelNames.size() - 1;
-inline constexpr std::size_t kMaxLabelNameLen = 31;
+inline constexpr std::size_t kMaxLabelNameLen = 32;
 inline constexpr std::size_t kMaxLabelValueLen = 200;
 
 inline constexpr std::size_t kMaxHistogramBuckets = 50;