Update mcr.microsoft.com/dotnet/sdk Docker digest to d7f4691 (#2072)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| mcr.microsoft.com/dotnet/sdk | final | digest | `1025bed` -> `d7f4691`
|

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aws-ts-multi-language-lambda/dotnet-lambda/Dockerfile

@@ -1,4 +1,4 @@
-FROM mcr.microsoft.com/dotnet/sdk@sha256:1025bed126a7b85c56b960215ab42a99db97a319a72b5d902383ebf6c6e62bbe AS base
+FROM mcr.microsoft.com/dotnet/sdk@sha256:d7f4691d11f610d9b94bb75517c9e78ac5799447b5b3e82af9e4625d8c8d1d53 AS base
 
 WORKDIR /app