Update colcon-cache

Author: ruffsl

Diff for: Dockerfile

@@ -50,7 +50,7 @@ RUN apt-get update && \
       lcov \
       python3-pip \
     && pip3 install \
-      git+https://github.com/ruffsl/colcon-cache.git@13c424c3a455ae04d1a4176a54c49a9d20c9dca0 \
+      git+https://github.com/ruffsl/colcon-cache.git@c1cedadc1ac6131fe825d075526ed4ae8e1b473c \
     && rosdep update \
     && rm -rf /var/lib/apt/lists/*