searching for "graph" fails

```
kiota search graph
crit: Kiota.Builder.KiotaSearcher[0]
      error searching for a description: One of the identified items was in an invalid format.
```

```
 kiota --version
0.11.0-preview+cf4b600971d1909109178756604c6d0a025ce064
```

Error is occurring in RepoSearchResultItem
```csharp
   {"score", n => { Score = n.GetLongValue(); } },
```