ci: update clang-format to version 14

.github/workflows/formatting.yml

@@ -17,9 +17,9 @@ jobs:
 
   # Checking for correct formatting of branch for C code changes
   check-formatting:
-    name: Formatting Check (clang 9)
-    runs-on: ubuntu-20.04
-    container: ubuntu:20.04
+    name: Formatting Check (clang 14)
+    runs-on: ubuntu-22.04
+    container: ubuntu:22.04
     continue-on-error: false
     steps:
 
@@ -54,18 +54,18 @@ jobs:
                 libnfnetlink0 \
                 libhiredis-dev \
                 libjansson-dev \
-                libpython2.7 \
+                libpython3.10 \
                 make \
-                python \
+                python3 \
                 rustc \
                 software-properties-common \
                 wget \
                 zlib1g \
                 zlib1g-dev
-      - name: Install packages for clang-format 9
+      - name: Install packages for clang-format 14
         run: |
           # no need to install full clang
-          apt-get install -y clang-format-9
+          apt-get install -y clang-format-14
       - name: Install cbindgen
         run: cargo install --force --debug --version 0.24.3 cbindgen
       - run: echo "$HOME/.cargo/bin" >> $GITHUB_PATH

scripts/git-clang-format-custom

@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 # Copy of https://github.com/llvm-mirror/clang/blob/master/tools/clang-format/git-clang-format
 # Adds a --diffstat option to show the files needing formatting.
 # This change will be upstreamed, but the current git-clang-format does not