lint: compile la-lint and use in place of clang-tidy

.github/workflows/lint.yml

@@ -17,10 +17,16 @@ jobs:
       run: sudo apt-get update
     - name: Install dependencies
       run: sudo apt-get install -y autoconf automake build-essential cmake git libssl-dev nettle-dev libmbedtls-dev libacl1-dev libbz2-dev liblzma-dev liblz4-dev libzstd-dev lzop pkg-config zlib1g-dev libclang-22-dev libclang-cpp22-dev clang-22 ninja-build
+    - name: Install Lint
+      run: |-
+        set -euo pipefail
+        cmake -S build/la-lint -B /tmp/lint-build -GNinja
+        cmake --build /tmp/lint-build
+        cmake --install /tmp/lint-build
     - name: Configure
       run: ./build/ci/build.sh -a configure
       env:
-        CMAKE_ARGS: -GNinja -DENABLE_CLANG_TIDY=YES
+        CMAKE_ARGS: -GNinja -DENABLE_CLANG_TIDY=YES -DCLANG_TIDY_PATH=la-lint
     - name: Build
       run: ./build/ci/build.sh -a build
       env: