Update the release guide

I missed this one during my last update on this guide

dev/README_RELEASE_CLIENT.md

diff --git a/dev/README_RELEASE_CLIENT.md b/dev/README_RELEASE_CLIENT.md
index a629394..f9aea1b 100644
--- a/dev/README_RELEASE_CLIENT.md
+++ b/dev/README_RELEASE_CLIENT.md
@@ -150,7 +150,7 @@
 svn mkdir ${VERSION}
 
 # Move the artifacts to svn folder & commit
-mv ${CLIENT_REPO_ROOT}/apache{-,_}*client-${VERSION_WITHOUT_RC}* ${VERSION}/
+mv ${CLIENT_REPO_ROOT}/dist/apache{-,_}*client-${VERSION_WITHOUT_RC}* ${VERSION}/
 cd ${VERSION}
 svn add *
 svn commit -m "Add artifacts for Apache Airflow Python Client ${VERSION}"