Add staging website to generate-email.sh

Author: vy

.github/generate-email.sh

@@ -34,6 +34,7 @@ fail_for_invalid_args() {
 # Constants
 PROJECT_NAME="Apache Log4j Tools"
 PROJECT_SITE="https://logging.apache.org/log4j/tools"
+PROJECT_STAGING_SITE="${PROJECT_SITE/apache.org/staged.apache.org}"
 PROJECT_REPO="https://github.com/apache/logging-log4j-tools"
 PROJECT_DIST_DIR="https://dist.apache.org/repos/dist/dev/logging/log4j-tools"
 PROJECT_VERSION="$2"
@@ -59,7 +60,8 @@ Title: [VOTE] Release $PROJECT_NAME $PROJECT_VERSION
 
 This is a vote to release the $PROJECT_NAME $PROJECT_VERSION.
 
-Source repository: $PROJECT_REPO
+Website: $PROJECT_STAGING_SITE
+GitHub: $PROJECT_REPO
 Commit: $COMMIT_ID
 Distribution: $PROJECT_DIST_DIR
 Nexus: https://repository.apache.org/content/repositories/orgapachelogging-1113