message: chore(release-docs): svn update after svn commit
diff: @@ -199,6 +199,7 @@ Now let's ship this RC into svn's dev folder
  cd ~/svn/superset_dev/
  svn add ${SUPERSET_VERSION_RC}
  svn commit -m "Release ${SUPERSET_VERSION_RC}"
  +svn update
  ```
  ### Build and test from SVN source tarball
  @@ -272,6 +273,7 @@ cd ~/svn/superset/
  for f in ${SUPERSET_VERSION}/*; do mv "$f" "${f/${SUPERSET_VERSION_RC}/${SUPERSET_VERSION}}"; done
  svn add ${SUPERSET_VERSION}
  svn commit -m "Release ${SUPERSET_VERSION}"
  +svn update
  ```
  Then tag the final release:
  