Suggestion: Consider using StringBuilder pooling

[alexanderpino]

ecs-dotnet/src/Elastic.Extensions.Logging.Common/LogEventBuilderExtensions.cs

Line 148 in 8bceb42

var stringBuilder = new StringBuilder();

Consider pooling StringBuilder instances (e.g., via ObjectPool) instead of creating a new one per call; re-use removes per-call allocations and virtually eliminates Gen-0 GC pressure.