TFM and dependency update

Author: nblumhardt

src/Serilog.Expressions/Serilog.Expressions.csproj

@@ -3,9 +3,14 @@
   <PropertyGroup>
     <Description>An embeddable mini-language for filtering, enriching, and formatting Serilog
       events, ideal for use with JSON or XML configuration.</Description>
-    <VersionPrefix>4.0.1</VersionPrefix>
+    <VersionPrefix>5.0.0</VersionPrefix>
     <Authors>Serilog Contributors</Authors>
-    <TargetFrameworks>netstandard2.1;netstandard2.0;net5.0;net6.0;net7.0</TargetFrameworks>
+    <!-- .NET Framework version targeting is frozen at these two TFMs. -->
+    <TargetFrameworks Condition=" '$(OS)' == 'Windows_NT'">net471;net462</TargetFrameworks>
+    <!-- Policy is to trim TFM-specific builds to `netstandard2.0`, `net6.0`,
+    all active LTS versions, and optionally the latest RTM version, when releasing new
+    major Serilog versions. -->
+    <TargetFrameworks>$(TargetFrameworks);net8.0;net6.0;netstandard2.0</TargetFrameworks>
     <GenerateDocumentationFile>true</GenerateDocumentationFile>
     <RootNamespace>Serilog</RootNamespace>
     <PackageTags>serilog</PackageTags>
@@ -18,7 +23,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Serilog" Version="3.1.1" />
+    <PackageReference Include="Serilog" Version="4.0.0" />
     <PackageReference Include="Nullable" Version="1.3.1" PrivateAssets="All" />
   </ItemGroup>