tools/secretstore: fix decryption of updated secrets
diff --git a/tools/secretstore.py b/tools/secretstore.py
index f775d4a..f50c1f5 100644
--- a/tools/secretstore.py
+++ b/tools/secretstore.py
@@ -27,7 +27,7 @@
     subprocess.check_call(cmd)
 
 def decrypt(src, dst):
-    cmd = ['gpg', '--decrypt', '--output', dst, src]
+    cmd = ['gpg', '--decrypt', '--batch', '--yes', '--output', dst, src]
     subprocess.check_call(cmd)