Logging pollutes log messages of contained programs

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Reproduction steps

Set GlobalSettings.LogConfiguration
Pass log messages from libgit2sharp to your own logging solution

Expected behavior

Libgit2sharp does not send an unidentifiable Logging enabled at level logmessage that we cannot disable

Actual behavior

Libgit2sharp sends an unidentifiable Logging enabled at level logmessage that we cannot disable and which confuses our users because it is not the same loglevel name as they set in our app config.

Version of LibGit2Sharp (release number or SHA1)

Operating system(s) tested; .NET runtime tested

Comienza siguiendo GlobalSettings.LogConfiguration hasta el origen exacto del mensaje "Logging enabled at level". Verifica cómo se emite el mensaje y si el comportamiento de logging configurado puede suprimirlo o identificarlo correctamente; se considerará terminado cuando los programas contenidos dejen de recibir el mensaje no identificable.