Add .retry files to .gitignore

Change-Id: I0c9d2802ac2fe4726b10f30a41fb0402b566843c
diff --git a/.gitignore b/.gitignore
index 0bfc898..38883e4 100644
--- a/.gitignore
+++ b/.gitignore
@@ -25,6 +25,7 @@
 migrations/
 onboarding-docker-compose/
 key_import/
+*.retry
 
 # tmp files
 containers/chameleon/tmp.chameleon/