feat: switch to public GitHub kmsvc-proto dependency and GHCR image builds

Forgejo registry unreachable from cluster nodes (WireGuard overlay vs LAN
network isolation, plus host-to-ClusterIP routing gaps). Move to public
GitHub dependency and GHCR image hosting to remove the private-network
dependency entirely.

internal/api/handlers/queue_service.go

@@ -11,7 +11,7 @@ import (
 	"strings"
 	"time"
 
-	kafkamgmtv1 "forgejo.riotpiao.homelab.com/rock/kmsvc-proto/gen/kafkamgmt/v1"
+	kafkamgmtv1 "github.com/Riotpiaole/kmsvc-proto/gen/kafkamgmt/v1"
 	goredis "github.com/redis/go-redis/v9"
 	"google.golang.org/grpc/codes"
 	"google.golang.org/grpc/status"

internal/api/handlers/queue_service_test.go

@@ -5,7 +5,7 @@ import (
 	"testing"
 	"time"
 
-	kafkamgmtv1 "forgejo.riotpiao.homelab.com/rock/kmsvc-proto/gen/kafkamgmt/v1"
+	kafkamgmtv1 "github.com/Riotpiaole/kmsvc-proto/gen/kafkamgmt/v1"
 	"github.com/alicebob/miniredis/v2"
 	goredis "github.com/redis/go-redis/v9"
 	"github.com/twmb/franz-go/pkg/kfake"