Use old workaround, install make

ci/Jenkinsfile

@@ -121,7 +121,8 @@ timeout(time: 2, unit: 'HOURS') {
     try {
         stage('Sanity') {
             parallel(
-                    "cargo-fmt": runDockerWithPostgresSidecar('cargo fmt --check'),
+                    // Workaround: we can't stop rustfmt from linting the generated schema.rs so we empty the file before.
+                    "cargo-fmt": runDockerWithPostgresSidecar("/bin/bash -c 'echo \"\" > src/schema.rs && cargo fmt --check"),
                     "schema": runDockerWithPostgresSidecar('echo schema test', 'backend/src/schema.rs', 'schema.rs'),
                     "migration": runDockerWithPostgresSidecar(determineMigration()),
                     failFast: true

ci/container-images/permaplant-rust/Dockerfile

@@ -1,6 +1,6 @@
 FROM rust:1.67.1-slim
 
-RUN apt update && apt install -y libpq-dev libssl-dev pkg-config postgresql-client
+RUN apt update && apt install -y make libpq-dev libssl-dev pkg-config postgresql-client
 RUN rustup component add clippy rustfmt
 RUN cargo install diesel_cli@2.0.1 --no-default-features --features postgres
 RUN cargo install typeshare-cli