fix manifest path

.drone.jsonnet

@@ -56,7 +56,7 @@ local PipelineNotifications(depends_on=[]) = {
         ignore_missing: true,
         username: { from_secret: "docker_username" },
         password: { from_secret: "docker_password" },
-        spec: "docker/manifest.tmpl",
+        spec: "manifest.tmpl",
       },
       when: {
         ref: [

.drone.yml

@@ -52,7 +52,7 @@ steps:
     ignore_missing: true
     password:
       from_secret: docker_password
-    spec: docker/manifest.tmpl
+    spec: manifest.tmpl
     username:
       from_secret: docker_username
   when:
@@ -114,6 +114,6 @@ depends_on:
 
 ---
 kind: signature
-hmac: b7673d73b46aee7bc3b1e56348114c6a6e1c03d3a43458f2302c87ea0c842eb8
+hmac: 63cc04ce09b24f38ae1b5eb3664f6585f52a434cb2e2520abd9e4208b9f49ee3
 
 ...