Rename bazel-zig-cc to hermetic_cc_toolchain (#36)

As it says on the tin.

Long live hermetic_cc_toolchain!

test/c/BUILD

@@ -1,4 +1,4 @@
-load("@bazel-zig-cc//rules:platform.bzl", "platform_binary")
+load("@hermetic_cc_toolchain//rules:platform.bzl", "platform_binary")
 
 cc_binary(
     name = "which_libc",

test/cgo/BUILD

@@ -3,13 +3,13 @@
 
 load("@io_bazel_rules_go//go:def.bzl", "go_library", "go_test")
 load("//rules:rules_go.bzl", "go_binary")
-load("@bazel-zig-cc//rules:platform.bzl", "platform_binary", "platform_test")
+load("@hermetic_cc_toolchain//rules:platform.bzl", "platform_binary", "platform_test")
 
 go_library(
     name = "cgo_lib",
     srcs = ["cgo.go"],
     cgo = True,
-    importpath = "github.com/uber/bazel-zig-cc/test/cgo",
+    importpath = "github.com/uber/hermetic_cc_toolchain/test/cgo",
     visibility = ["//visibility:private"],
 )
 

test/glibc_hacks/BUILD

@@ -1,7 +1,7 @@
 # Copyright 2023 Uber Technologies, Inc.
 # Licensed under the MIT License
 
-load("@bazel-zig-cc//rules:platform.bzl", "platform_binary")
+load("@hermetic_cc_toolchain//rules:platform.bzl", "platform_binary")
 
 cc_binary(
     name = "main",

test/gorace/BUILD

@@ -9,7 +9,7 @@ go_library(
     srcs = ["main.go"],
     # keep
     cgo = True,
-    importpath = "github.com/uber/bazel-zig-cc/test/gorace",
+    importpath = "github.com/uber/hermetic_cc_toolchain/test/gorace",
     visibility = ["//visibility:private"],
 )
 

test/gorace/main.go

@@ -9,7 +9,7 @@
 // More context: https://github.com/ziglang/zig/issues/11398
 //
 // This fails, because `zig cc` adds `--gc-sections` to the linker
-// flag by default, which is incompatible with cgo. bazel-zig-cc
+// flag by default, which is incompatible with cgo. hermetic_cc_toolchain
 // adds a workaround for it.
 package main
 

test/windows/BUILD

@@ -1,7 +1,7 @@
 # Copyright 2023 Uber Technologies, Inc.
 # Licensed under the MIT License
 
-load("@bazel-zig-cc//rules:platform.bzl", "platform_binary", "platform_test")
+load("@hermetic_cc_toolchain//rules:platform.bzl", "platform_binary", "platform_test")
 
 cc_binary(
     name = "winver",