Build action runner for .NET 8 (ppc64le and s390x)

[rahulssv-ibm]

Build action runner for .NET 8 (ppc64le and s390x)

• .github/workflows/build.yml
  • Use ubuntu-24.10-s390x, ubuntu-22.10-ppc64le
• build-files/build-image.sh
  • Replace patch file dotnet 8 sdk version with current installed dotnet 8 sdk version
• build-files/runner-sdk-8.patch
  • Combined patch for s390x/ppc64le using .NET 8 for latest release of runner v2.320.0
• setup-build-env.sh
  • Added select_ubuntu_version based on architecture
  • Added installing-packages.sh to install additional packages required to run workflows
  • Added the list of supported packages on ppc64le/s390x for ubuntu:22.04