Install newer clang-format

Author: st0012

.github/workflows/clang-format.yml

@@ -30,7 +30,12 @@ jobs:
       - name: Install dependencies
         run: |
           sudo apt-get update
-          sudo apt-get install -y libdb-dev curl autoconf automake m4 libtool clang-format
+          sudo apt-get install -y libdb-dev curl autoconf automake m4 libtool
+      - name: Install clang-format 20
+        run: |
+          sudo apt-get install -y clang-format-20
+          sudo ln -sf /usr/bin/clang-format-20 /usr/bin/clang-format
+          clang-format --version
       - name: Install Re2c
         run: |
           cd /tmp