images: Install extra deathreaper dependency group (#443)

image/pip

@@ -10,7 +10,7 @@ WORKDIR /silkaj
 COPY ./ ./
 
 # Install Silkaj
-RUN pip install .
+RUN pip install . silkaj[deathreaper]
 
 # ------------------------------------------------------------------------------
 # Final Stage

image/poetry

@@ -10,7 +10,7 @@ WORKDIR /silkaj
 COPY ./ ./
 
 # Install Silkaj
-RUN poetry install --only main
+RUN poetry install --only main --extras deathreaper
 
 # ------------------------------------------------------------------------------
 # Final Stage