chore: fix multiline truncation of release notes (#706)
chore: fix multiline truncation of release notes (#706)

In order to capture multiline strings in set-output we need to escape the new line characters prior to providing it to set-output. I tested the commands to assign & parse the notes, but we will just have to see what happens with the Action on the next release.

Fixes #691

googleapis/gapic-showcase