github: fix clang-compilation ci (#371)

Signed-off-by: Jerry Zhang Jian <jerry.zhangjian@sifive.com>

.github/workflows/clang-compilation.yml

@@ -6,13 +6,15 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
+      - uses: actions/setup-python@v5
+        with:
+          python-version: '3.11'
       - name: Prerequisites
         run: |
-          sudo apt-get install autoconf automake autotools-dev curl python3 python3-pip libmpc-dev libmpfr-dev libgmp-dev gawk build-essential bison flex texinfo gperf libtool patchutils bc zlib1g-dev libexpat-dev ninja-build git cmake libglib2.0-dev dejagnu
+          sudo apt-get install autoconf automake autotools-dev curl libmpc-dev libmpfr-dev libgmp-dev gawk build-essential bison flex texinfo gperf libtool patchutils bc zlib1g-dev libexpat-dev ninja-build git cmake libglib2.0-dev dejagnu
       - name: Install dependencies
         run: |
-          python -m pip install --upgrade pip
-          pip install junitparser
+          pip install --user junitparser
       - name: Download LLVM
         run: |
           cd ..