Update version variables for release 9.4.0
diff --git a/pelicanconf.py b/pelicanconf.py
index 1668576..c7c4016 100755
--- a/pelicanconf.py
+++ b/pelicanconf.py
@@ -10,8 +10,8 @@
 SITEURL = ''
 CURRENTYEAR = date.today().year
 
-LUCENE_LATEST_RELEASE = '9.3.0'
-LUCENE_LATEST_RELEASE_DATE = datetime(2022, 7, 29)
+LUCENE_LATEST_RELEASE = '9.4.0'
+LUCENE_LATEST_RELEASE_DATE = datetime(2022, 9, 30)
 LUCENE_PREVIOUS_MAJOR_RELEASE = '8.11.2'
 
 # This string will be appended to all unversioned css and js resources to prevent caching surprises on edits.