bump to 0.12.4

4 lat temu · bc287592b0
--- a/bubble-server/src/main/resources/META-INF/bubble/bubble.properties
+++ b/bubble-server/src/main/resources/META-INF/bubble/bubble.properties
@@ -1 +1 @@
 bubble.version=0.12.3
 bubble.version=0.12.4