Help: Add release note for GoogleTest module DISCOVERY_MODE feature
This feature was added by !4078 (merged) but a release note was accidentally left out. Add one now.
Also fix a typo in the XML_OUTPUT_DIR
release note.
This feature was added by !4078 (merged) but a release note was accidentally left out. Add one now.
Also fix a typo in the XML_OUTPUT_DIR
release note.