Raise CI runner to ubuntu 22.04 (#4191)

update workflows and scripts for Ubuntu 22.04 compatibility. It includes
  - install Intel SGX SDK 2.25
  - use a reusable action to install sgx required
  - keep improve error handling in AOT compilation process in runtest.py

add a workaround to fix receiving a shutdown signal problem. Refers to https://github.com/actions/runner-images/issues/6680 and https://github.com/actions/runner-images/discussions/7188

.github/workflows/build_llvm_libraries.yml

@@ -89,14 +89,6 @@ jobs:
             ./core/deps/llvm/build/share
           key: ${{ steps.create_lib_cache_key.outputs.key}}
 
-      - uses: actions/cache@v4
-        with:
-          path: ~/.ccache
-          key: 0-ccache-${{ inputs.os }}-${{ steps.get_last_commit.outputs.last_commit }}
-          restore-keys: |
-            0-ccache-${{ inputs.os }}
-        if: steps.retrieve_llvm_libs.outputs.cache-hit != 'true' && inputs.os == 'ubuntu-20.04'
-
       - uses: actions/cache@v4
         with:
           path: ~/.cache/ccache