CSHARP-6066: Fix NullReferenceException in FilteredMongoCollectionBase.FindOneAndUpdate when options is null#2026

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mongodb:mainmongodb/mongo-csharp-driver:mainfrom

flibustier7seas:fix/filtered-collection-null-options-IsUpsertflibustier7seas/mongo-csharp-driver:fix/filtered-collection-null-options-IsUpsertCopy head branch name to clipboard