Versioning details in exporter to controller and client

Add driver version and cli version requirements on reports
Report exporter version to both server and clients

Author: mangelajo

proto/jumpstarter/v1/jumpstarter.proto

@@ -61,6 +61,7 @@ message RegisterRequest {
   // jumpstarter.dev/hostname=
   // jumpstarter.dev/name=
   repeated DriverInstanceReport reports = 2;
+  string version = 3;
 }
 
 message DriverInstanceReport {
@@ -69,6 +70,8 @@ message DriverInstanceReport {
   map<string, string> labels = 3;
   optional string description = 4; // optional custom driver description for CLI
   map<string, string> methods_description = 5; // method name -> help text for CLI
+  string version = 6; // driver software version
+  string minimum_cli_version = 7; // the oldest compatible software version for the client side
 }
 
 message RegisterResponse {
@@ -143,6 +146,7 @@ message GetReportResponse {
   // jumpstarter.dev/name=
   repeated DriverInstanceReport reports = 3;
   repeated Endpoint alternative_endpoints = 4;
+  string version = 5; // exporter software version
 }
 
 message Endpoint {
@@ -223,4 +227,4 @@ message GetStatusRequest {}
 message GetStatusResponse {
   ExporterStatus status = 1;
   optional string message = 2;
-}
+}