message: fix(build): proper prod pypi deploys
  This should now correctly clear the OT_BUILD environ variable for the
  pypi upload by collapsing the two steps into one and using a local
  change to the env var rather than writing the env file
  Closes
diff: @@ -20,16 +20,13 @@ runs:
  else if [[ ${{ inputs.repository_url }} =~ "upload.pypi.org" ]]; then
  echo "Uploading to prod pypi"
  # this needs to be cleared otherwise the makefiles append a dev tag
  - echo 'OT_BUILD=' >> $GITHUB_ENV
  + OT_BUILD=
  +
  else
  echo "::error ::Invalid repository url ${{ inputs.repository_url }}"
  exit 1
  fi
  fi
  -
  -
  - - shell: bash
  - run: |
  status=0
  QUIET=1 BUILD_NUMBER=${OT_BUILD} make -C ${{ inputs.project }} clean deploy twine_repository_url=${{ inputs.repository_url }} pypi_username=opentrons pypi_password=${{ inputs.password }} || status=$?
  if [[ ${status} != 0 ]] && [[ ${{ inputs.repository_url }} =~ "test.pypi.org" ]]; then
  