updated WW_INTERNAL to 45 for 4.5.x release

Internal version update is necessary as new structures were added,
most obviously the disk, partitions and file system structures.
Old configurations will work as expected.

Signed-off-by: Christian Goll <cgoll@suse.com>

internal/pkg/warewulfd/provision_test.go

@@ -37,7 +37,7 @@ func Test_ProvisionSend(t *testing.T) {
 	assert.NoError(t, err)
 	defer conf_file.Close()
 	{
-		_, err := conf_file.WriteString(`WW_INTERNAL: 43
+		_, err := conf_file.WriteString(`WW_INTERNAL: 45
 nodeprofiles:
   default:
     container name: suse