github: update action version for clang-compilation

- checkout@v4

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

.github/workflows/clang-compilation.yml

@@ -5,7 +5,7 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - 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