Update axon-server-api. Make API non-experimental and add documentation on reserved field

Author: silvanob

src/main/proto/dcb.proto

@@ -3,7 +3,7 @@ package io.axoniq.axonserver.grpc.event.dcb;
 import "common.proto";
 option java_multiple_files = true;
 
-/* EXPERIMENTAL: Service providing Event Store RPCs supporting DCB. */
+/* Service providing Event Store RPCs supporting DCB. */
 service DcbEventStore {
 
   /* Appends new events to the store. */
@@ -39,7 +39,7 @@ service DcbEventStore {
   rpc GetTags (GetTagsRequest) returns (GetTagsResponse);
 }
 
-/* EXPERIMENTAL: Service providing Snapshot Store RPCs. */
+/* Service providing Snapshot Store RPCs. */
 service DcbSnapshotStore {
 
   /* Adds a snapshot to the snapshot store. */
@@ -55,7 +55,7 @@ service DcbSnapshotStore {
   rpc GetLast (GetLastSnapshotRequest) returns (GetLastSnapshotResponse);
 }
 
-/* EXPERIMENTAL: Service to use AxonServer as a provider of an EventScheduler */
+/* Service to use AxonServer as a provider of an EventScheduler */
 service DcbEventScheduler {
   //  Schedule the given event for publication at the given time}. The returned ScheduleToken can be used to reschedule or cancel the planned publication.
   rpc ScheduleEvent (ScheduleEventRequest) returns (ScheduleToken) {
@@ -395,7 +395,7 @@ message DeleteSnapshotsRequest {
 
   /* The key the snapshot is identified by. */
   bytes key = 1;
-
+  /* A reserved field that was used to allow specifying the start of the range for deletion of snapshots */
   reserved  2;
   /* The exclusive upper bound sequence of the snapshot to end the deletion. */
   int64 to_sequence = 3;