test: fix dotnet10 integ tests (#8544)

Files for dotnet10 runtime were still using dotnet8 as a target framework.
Also, the version installed in the Linux integration tests was still dotnet8

Author: valerena

appveyor-linux-binary.yml

@@ -71,9 +71,11 @@ install:
   - sh: "PATH=/opt/gradle/gradle-9.0.0/bin:$PATH"
   - sh: "gradle --version"
 
-  # Install dotnet8 SDK
+  # Install dotnet10 SDK (backwards compatible so it works to build all previous versions)
+  # https://learn.microsoft.com/en-us/dotnet/core/install/linux-ubuntu-install?tabs=dotnet10&pivots=os-linux-ubuntu-2204
+  - sh: "sudo add-apt-repository ppa:dotnet/backports"
   - sh: "sudo apt-get update"
-  - sh: "sudo apt-get install -y dotnet-sdk-8.0"
+  - sh: "sudo apt-get install -y dotnet-sdk-10.0"
 
   # Install AWS CLI
   - sh: "virtualenv aws_cli"

appveyor-ubuntu.yml

@@ -244,9 +244,11 @@ install:
   - sh: "PATH=/opt/gradle/gradle-9.2.0/bin:$PATH"
   - sh: "gradle --version"
 
-  # Install dotnet8 SDK
+  # Install dotnet10 SDK (backwards compatible so it works to build all previous versions)
+  # https://learn.microsoft.com/en-us/dotnet/core/install/linux-ubuntu-install?tabs=dotnet10&pivots=os-linux-ubuntu-2204
+  - sh: "sudo add-apt-repository ppa:dotnet/backports"
   - sh: "sudo apt-get update"
-  - sh: "sudo apt-get install -y dotnet-sdk-8.0"
+  - sh: "sudo apt-get install -y dotnet-sdk-10.0"
 
   # Install AWS CLI
   - sh: "virtualenv aws_cli"

tests/integration/testdata/buildcmd/Dotnet10/HelloWorld.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>net8.0</TargetFramework>
+    <TargetFramework>net10.0</TargetFramework>
     <GenerateRuntimeConfigurationFiles>true</GenerateRuntimeConfigurationFiles>
   </PropertyGroup>