update the parent project version when cutting a release

Author: mikesamuel

RELEASE-checklist.sh

@@ -43,7 +43,10 @@ cd "$RELEASE_CLONE"
 # mvn release:update-versions puts -SNAPSHOT on the end no matter what
 # so this is a two step process.
 export VERSION_PLACEHOLDER=99999999999999-SNAPSHOT
-for project in aggregate empiricism; do
+for project in parent aggregate empiricism; do
+ mvn -f "$project" install
+done
+for project in parent aggregate empiricism; do
  mvn -f "$project" \
  release:update-versions \
  -DautoVersionSubmodules=true \