update BUILD files

vendor/github.com/pelletier/go-buffruneio/BUILD

@@ -3,6 +3,7 @@ load("@io_bazel_rules_go//go:def.bzl", "go_library")
 go_library(
     name = "go_default_library",
     srcs = ["buffruneio.go"],
+    importpath = "github.com/pelletier/go-buffruneio",
     visibility = ["//visibility:public"],
 )
 

vendor/github.com/pelletier/go-toml/BUILD

@@ -16,6 +16,7 @@ go_library(
         "toml.go",
         "tomltree_conversions.go",
     ],
+    importpath = "github.com/pelletier/go-toml",
     visibility = ["//visibility:public"],
     deps = ["//vendor/github.com/pelletier/go-buffruneio:go_default_library"],
 )