Merge stages

* Update Dockerfile

Author: TravisEz13

containers/powershell/.devcontainer/Dockerfile

@@ -6,9 +6,8 @@
 FROM mcr.microsoft.com/powershell
 
 # Install git, process tools
-RUN apt-get update && apt-get -y install git procps
-
-# Clean up
-RUN apt-get autoremove -y \
+RUN apt-get update && apt-get -y install git procps \
+    # Clean up
+    && apt-get autoremove -y \
     && apt-get clean -y \
     && rm -rf /var/lib/apt/lists/*