workflows: pin clippy version

Pin the version of clippy that we use in CI so that new releases
don't break existing CI.

.github/workflows/build-and-test.yml

@@ -14,6 +14,8 @@ jobs:
         run: sudo apt install -y protobuf-compiler
       - uses: actions/checkout@v4
       - uses: dtolnay/rust-toolchain@stable
+      - name: Install clippy
+        run: cargo install clippy --version 0.1.76
       - name: run check
         run: make check