[main] Source code updates from dotnet/dotnet (#19258)

* Backflow from https://github.com/dotnet/dotnet / 3531114 build 300217

[[ commit created by automation ]]

* Update dependencies

---------

Co-authored-by: dotnet-maestro[bot] <dotnet-maestro[bot]@users.noreply.github.com>

Author: dotnet-maestro[bot]

eng/Version.Details.xml

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Dependencies>
-  <Source Uri="https://github.com/dotnet/dotnet" Mapping="fsharp" Sha="887f3d5a26e1001ee2777afde10cadcacb8cc735" BarId="297286" />
+  <Source Uri="https://github.com/dotnet/dotnet" Mapping="fsharp" Sha="3531114c7feabc86ea3769ca2c5b804e5339a932" BarId="300217" />
   <ProductDependencies>
     <Dependency Name="Microsoft.Build" Version="18.1.0-preview-25515-01">
       <Uri>https://github.com/dotnet/msbuild</Uri>

eng/Versions.props

@@ -14,8 +14,8 @@
   <PropertyGroup>
     <!-- Don't use the built in support for pre-release iteration. The nuget repack task doesn't support
          the iteration format at the moment. https://github.com/dotnet/arcade/issues/15919 -->
-    <FSharpPreReleaseIteration></FSharpPreReleaseIteration>
-    <PreReleaseVersionLabel>alpha$(FSharpPreReleaseIteration)</PreReleaseVersionLabel>
+    <FSharpPreReleaseIteration>2</FSharpPreReleaseIteration>
+    <PreReleaseVersionLabel>preview$(FSharpPreReleaseIteration)</PreReleaseVersionLabel>
     <!-- F# Version components -->
     <FSMajorVersion>11</FSMajorVersion>
     <FSMinorVersion>0</FSMinorVersion>