Chore: Use a smaller node for release jobs

This is in order to save some costs since these jobs
do not require a 8c-8g node

Issue-ID: CIMAN-33
Signed-off-by: Jessica Wagantall <jwagantall@linuxfoundation.org>
Change-Id: Id0ec9e33ac4bc1c7c63dbd6bc7671c47aec996fa
121 files changed