Merge branch 'main' into avm99963-monorail

Merged commit 4137ed7879acadbf891e8c471108acb874dae886.

GitOrigin-RevId: b6100ffc5b1da355a35f37b13fcaaf746ee8b307
diff --git a/app.yaml b/app.yaml
index 4188a32..2ee6fff 100644
--- a/app.yaml
+++ b/app.yaml
@@ -87,6 +87,8 @@
   version: "1.0"
 - name: grpcio
   version: "1.0.0"
+- name: markupsafe
+  version: "0.23"
 - name: MySQLdb
   version: "latest"
 - name: ssl # needed for google.auth.transport and GAE_USE_SOCKETS_HTTPLIB