Update .NET SDK to 10.0.100-preview.4.25174.4

[github-actions]

Updates the .NET SDK to version 10.0.100-preview.4.25174.4, which also updates the .NET runtime from version 10.0.0-preview.3.25166.3 to version 10.0.0-preview.4.25173.3.

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[dotnet-policy-service]

Auto-approving SDK update.

[MackinnonBuck]

@javiercn, we're seeing new StaticWebAssets failures in this PR:

.dotnet/sdk/10.0.100-preview.4.25174.4/Sdks/Microsoft.NET.Sdk.StaticWebAssets/targets/Microsoft.NET.Sdk.StaticWebAssets.JSModules.targets(423,5): error MSB4018: (NETCORE_ENGINEERING_TELEMETRY=Build) The "DefineStaticWebAssets" task failed unexpectedly.
System.ArgumentException: An item with the same key has already been added. Key: aWepj4Z1z9/lTzq2019OygffcVfW4IJp2WQch4iItHw=
   at System.Collections.Generic.Dictionary`2.TryInsert(TKey key, TValue value, InsertionBehavior behavior)
   at System.Collections.Generic.Dictionary`2.Add(TKey key, TValue value)
   at Microsoft.AspNetCore.StaticWebAssets.Tasks.Utils.HashingUtils.ComputeHashLookup(MemoryStream memoryStream, ITaskItem[] candidateAssets, Span`1 metadata)
   at Microsoft.AspNetCore.StaticWebAssets.Tasks.DefineStaticWebAssets.GetOrCreateAssetsCache()
   at Microsoft.AspNetCore.StaticWebAssets.Tasks.DefineStaticWebAssets.Execute()
   at Microsoft.Build.BackEnd.TaskBuilder.ExecuteInstantiatedTask(TaskExecutionHost taskExecutionHost, TaskLoggingContext taskLoggingContext, TaskHost taskHost, ItemBucket bucket, TaskExecutionMode howToExecuteTask)

It looks like we're seeing duplicate assets here:
https://github.com/dotnet/sdk/blob/3a3a0b50dfea869f3c22adcc9e8e40de12c0f6be/src/StaticWebAssetsSdk/Tasks/Utils/HashingUtils.cs#L63

Maybe we adjust this logic to:

• Check if there's already an asset with the computed hash
• If so, throw if the existing asset does not match the current one (to make sure there isn't a hash collision or some other bug in computing the hash)
• Add the entry to the dictionary if it doesn't already exist

?

[javiercn]

@MackinnonBuck I'm checking this.

There might be an issue here where some asset is duplicated for some reason (which shouldn't be)

[javiercn]

As I suspected, there's a duplicate

This has caused issues in the past. I can fix it here, but I'm going to fix it on the SDK instead to make this more resilient.

[javiercn]

dotnet/sdk#47940

[javiercn]

Pending on dotnet/sdk#47949, I forgot to put the same condition on None items