Update to use coroutines from the bazel central registry (#18)

* Use const Coroutine pointers

* Lots more testing for sockets

* Enable interrupt test

* New coroutine library layout

* Define VMADDR_CID_LOCAL if not defined

* Add stacktrace printer and fix some warnings

* Move header inclusion to .cc

* New co lib + gcc diags

* Fix a few gcc warnings

* Use particular co commit

* Add non-owned fd option

* Update co lib and fix test warning

* Fix cmake build

* Update README.md

* New abseil

* Latest co commit

* New versions

* Coroutines in bcr

Author: dallison

MODULE.bazel

@@ -1,24 +1,15 @@
 module(
     name = "toolbelt",
+    version = "1.5.0",
 )
 
-http_archive = use_repo_rule("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")
-
-bazel_dep(name = "bazel_skylib", version = "1.9.0")
 bazel_dep(name = "platforms", version = "0.0.10")
+bazel_dep(name = "bazel_skylib", version = "1.9.0")
 bazel_dep(name = "abseil-cpp", version = "20250814.1")
 bazel_dep(name = "googletest", version = "1.17.0.bcr.2")
-
-# Coroutines
-http_archive(
-    name = "coroutines",
-    #integrity = "sha256-PhOYq1eE8Q8UOhzDHq2+rafTU4VTt9fZ0ZZyNE+hWb4=",
-    strip_prefix = "co-3.0.0",
-    urls = ["https://github.com/dallison/co/archive/refs/tags/3.0.0.tar.gz"],
-)
+bazel_dep(name = "coroutines", version = "3.0.0")
 
 # For local debugging of co coroutine library.
-# bazel_dep(name = "coroutines")
 # local_path_override(
 #   module_name = "coroutines",
 #   path = "../co",