Workbench: Remove pdm-version again.

Still conflicts with other package dependencies.

workbench/Dockerfile

@@ -234,7 +234,7 @@ RUN apt-get update && \
     pipx install chalice && \
     pipx install curator-opensearch && \
     pipx install pdm && \
-    pipx inject pdm pdm-version pdm-packer pdm-publish && \
+    pipx inject pdm pdm-packer pdm-publish && \
     npm install --global \
         corepack \
         @playwright/test \