chore: install datagen in vllm image and CI (#1428)

.github/workflows/pre-merge-python.yml

@@ -54,7 +54,7 @@ jobs:
         env:
           PYTEST_MARKS: "pre_merge or mypy"
         run: |
-          docker run -w /workspace --name ${{ env.CONTAINER_ID }}_pytest ${{ steps.define_image_tag.outputs.image_tag }} bash -c "pip install -e /workspace/benchmarks && pytest --basetemp=/tmp --junitxml=${{ env.PYTEST_XML_FILE }} -m \"${{ env.PYTEST_MARKS }}\""
+          docker run -w /workspace --name ${{ env.CONTAINER_ID }}_pytest ${{ steps.define_image_tag.outputs.image_tag }} bash -c "pytest --basetemp=/tmp --junitxml=${{ env.PYTEST_XML_FILE }} -m \"${{ env.PYTEST_MARKS }}\""
       - name: Copy test report from test Container
         if: always()
         run: |

container/Dockerfile.vllm

@@ -438,6 +438,8 @@ RUN mkdir -p /opt/dynamo/bindings/wheels && \
 RUN uv pip install /workspace/dist/ai_dynamo_runtime*cp312*.whl && \
     uv pip install /workspace/dist/ai_dynamo*any.whl
 
+RUN uv pip install /workspace/benchmarks
+
 # Copy launch banner
 RUN --mount=type=bind,source=./container/launch_message.txt,target=/workspace/launch_message.txt \
     sed '/^#\s/d' /workspace/launch_message.txt > ~/.launch_screen && \