message: update grpc version
  * update grpc version
  this in turn updates the upb version, which fixes Flatbuffers' failure in Bazel CI:
  * also update rules_go version
  * the new rules_go actually needs a version
  * grpc_extra_deps() also registers go toolchains
  * make buildifier happy
  * address review comments
diff: @@ -33,19 +33,17 @@ swift_rules_extra_dependencies()
  http_archive(
  name = "io_bazel_rules_go",
  - sha256 = "d1ffd055969c8f8d431e2d439813e42326961d0942bdf734d2c95dc30c369566",
  + sha256 = "16e9fca53ed6bd4ff4ad76facc9b7b651a89db1689a2877d6fd7b82aa824e366",
  urls = [
  - "https://mirror.bazel.build/github.com/bazelbuild/rules_go/releases/download/v0.24.5/rules_go-v0.24.5.tar.gz",
  - "https://github.com/bazelbuild/rules_go/releases/download/v0.24.5/rules_go-v0.24.5.tar.gz",
  + "https://mirror.bazel.build/github.com/bazelbuild/rules_go/releases/download/v0.34.0/rules_go-v0.34.0.zip",
  + "https://github.com/bazelbuild/rules_go/releases/download/v0.34.0/rules_go-v0.34.0.zip",
  ],
  )
  -load("@io_bazel_rules_go//go:deps.bzl", "go_register_toolchains", "go_rules_dependencies")
  +load("@io_bazel_rules_go//go:deps.bzl", "go_rules_dependencies")
  go_rules_dependencies()
  -go_register_toolchains()
  -
  ##### Protobuf
  _PROTOBUF_VERSION = "3.15.2"
  @@ -58,12 +56,12 @@ http_archive(
  )
  ##### GRPC
  -_GRPC_VERSION = "1.42.0"
  +_GRPC_VERSION = "1.48.0" # https://github.com/grpc/grpc/releases/tag/v1.48.0
  http_archive(
  name = "com_github_grpc_grpc",
  strip_prefix = "grpc-" + _GRPC_VERSION,
  - urls = ["https://github.com/grpc/grpc/archive/v" + _GRPC_VERSION + ".tar.gz"],
  + urls = ["https://github.com/grpc/grpc/archive/refs/tags/v" + _GRPC_VERSION + ".tar.gz"],
  )
  load("@com_github_grpc_grpc//bazel:grpc_deps.bzl", "grpc_deps")
  @@ -74,6 +72,7 @@ load("@com_github_grpc_grpc//bazel:grpc_extra_deps.bzl", "grpc_extra_deps")
  grpc_extra_deps()
  +# rules_go from https://github.com/bazelbuild/rules_go/releases/tag/v0.34.0
  http_archive(
  name = "build_bazel_rules_nodejs",
  sha256 = "965ee2492a2b087cf9e0f2ca472aeaf1be2eb650e0cfbddf514b9a7d3ea4b02a",
  