Build only net10.0 to prevent different target frameworks from writing
concurrently to the shared output directory used by dotnet-pkg.

--- a/src/FsAutoComplete/FsAutoComplete.fsproj
+++ b/src/FsAutoComplete/FsAutoComplete.fsproj
@@ -6,5 +6,5 @@
          net9.0-only tool the .NET 8 SDK can't restore); CI legs differ only in which
          runtime the tests run on (dotnet test -f <tfm>). -->
-    <TargetFrameworks>net8.0;net9.0;net10.0</TargetFrameworks>
+    <TargetFrameworks>net10.0</TargetFrameworks>
     <AssemblyName>fsautocomplete</AssemblyName>
     <ServerGarbageCollection>true</ServerGarbageCollection>
--- a/src/FsAutoComplete.Core/FsAutoComplete.Core.fsproj
+++ b/src/FsAutoComplete.Core/FsAutoComplete.Core.fsproj
@@ -2,5 +2,5 @@
   <PropertyGroup>
     <!-- All supported runtimes; everything builds with the .NET 10 SDK. -->
-    <TargetFrameworks>net8.0;net9.0;net10.0</TargetFrameworks>
+    <TargetFrameworks>net10.0</TargetFrameworks>
     <IsPackable>false</IsPackable>
     <NoWarn>$(NoWarn);FS0057</NoWarn>
--- a/src/FsAutoComplete.Logging/FsAutoComplete.Logging.fsproj
+++ b/src/FsAutoComplete.Logging/FsAutoComplete.Logging.fsproj
@@ -2,5 +2,5 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>net8.0</TargetFramework>
+    <TargetFramework>net10.0</TargetFramework>
     <IsPackable>false</IsPackable>
   </PropertyGroup>
--- a/benchmarks/benchmarks.fsproj
+++ b/benchmarks/benchmarks.fsproj
@@ -4,5 +4,5 @@
     <OutputType>Exe</OutputType>
     <!-- All supported runtimes; everything builds with the .NET 10 SDK. -->
-    <TargetFrameworks>net8.0;net9.0;net10.0</TargetFrameworks>
+    <TargetFrameworks>net10.0</TargetFrameworks>
   </PropertyGroup>
   <ItemGroup>
--- a/test/FsAutoComplete.Tests.Lsp/FsAutoComplete.Tests.Lsp.fsproj
+++ b/test/FsAutoComplete.Tests.Lsp/FsAutoComplete.Tests.Lsp.fsproj
@@ -3,5 +3,5 @@
     <OutputType>Exe</OutputType>
     <!-- All supported runtimes; everything builds with the .NET 10 SDK. -->
-    <TargetFrameworks>net8.0;net9.0;net10.0</TargetFrameworks>
+    <TargetFrameworks>net10.0</TargetFrameworks>
     <GenerateProgramFile>false</GenerateProgramFile>
     <RollForward>Minor</RollForward>
--- a/test/FsAutoComplete.Tests.TestExplorer/FsAutoComplete.Tests.TestExplorer.fsproj
+++ b/test/FsAutoComplete.Tests.TestExplorer/FsAutoComplete.Tests.TestExplorer.fsproj
@@ -2,5 +2,5 @@
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFrameworks>net8.0</TargetFrameworks>
+    <TargetFrameworks>net10.0</TargetFrameworks>
     <GenerateProgramFile>false</GenerateProgramFile>
   </PropertyGroup>
--- a/test/OptionAnalyzer/OptionAnalyzer.fsproj
+++ b/test/OptionAnalyzer/OptionAnalyzer.fsproj
@@ -1,5 +1,5 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>net8.0</TargetFramework>
+    <TargetFramework>net10.0</TargetFramework>
   </PropertyGroup>
   <ItemGroup>