fix install path

Author: extrawurst

dockerfile

@@ -22,7 +22,7 @@ RUN apt-get install -y --no-install-recommends \
     ca-certificates \
     && rm -rf /var/lib/apt/lists/*
 
-RUN curl --proto '=https' --tlsv1.2 -sSf https://just.systems/install.sh | bash -s -- --to /usr/var/bin
+RUN curl --proto '=https' --tlsv1.2 -sSf https://just.systems/install.sh | bash -s -- --to /usr/bin
 RUN just 1.37.0
 
 # Copy the start script and make it executable