Enable jwt service for LUCI

Change-Id: Icc532e1877dc38b4098036d045d6b1b52e1e1a3c
Reviewed-on: https://go-review.googlesource.com/c/All-Projects/+/472576
Reviewed-by: Heschi Kreinick <heschi@google.com>

project.config

diff --git a/project.config b/project.config
index 0458126..bc4f04d 100644
--- a/project.config
+++ b/project.config
@@ -196,3 +196,5 @@
 	applicableIf = hashtag:wait-release
 	submittableIf = is:false
 	canOverrideInChildProjects = true
+[plugin "jwtservice"]
+	audience = https://api.cr.dev