Update package references

This change replaces the reference to gitlab.com/nvidia/cloud-native/container-toolkit
with github.com/NVIDIA/nvidia-container-toolkit matching this project.

Signed-off-by: Evan Lezar <elezar@nvidia.com>

examples/discover/main.go

@@ -20,8 +20,8 @@ import (
 	"encoding/json"
 	"os"
 
+	"github.com/NVIDIA/nvidia-container-toolkit/pkg/discover"
 	log "github.com/sirupsen/logrus"
-	"gitlab.com/nvidia/cloud-native/container-toolkit/pkg/discover"
 )
 
 func main() {

examples/filter/main.go

@@ -20,9 +20,9 @@ import (
 	"encoding/json"
 	"os"
 
+	"github.com/NVIDIA/nvidia-container-toolkit/pkg/discover"
+	"github.com/NVIDIA/nvidia-container-toolkit/pkg/filter"
 	log "github.com/sirupsen/logrus"
-	"gitlab.com/nvidia/cloud-native/container-toolkit/pkg/discover"
-	"gitlab.com/nvidia/cloud-native/container-toolkit/pkg/filter"
 )
 
 func main() {

examples/print-ldcache/main.go

@@ -1,8 +1,8 @@
 package main
 
 import (
+	"github.com/NVIDIA/nvidia-container-toolkit/internal/ldcache"
 	log "github.com/sirupsen/logrus"
-	"gitlab.com/nvidia/cloud-native/container-toolkit/internal/ldcache"
 )
 
 var logger = log.StandardLogger()