chore: bump to bazel 7 and cleanup examples

.bazelversion

@@ -1 +1 @@
-6.5.0
+7.4.1

MODULE.bazel

@@ -0,0 +1,6 @@
+###############################################################################
+# Bazel now uses Bzlmod by default to manage external dependencies.
+# Please consider migrating your external dependencies from WORKSPACE to MODULE.bazel.
+#
+# For more details, please check https://github.com/bazelbuild/bazel/issues/18958
+###############################################################################

WORKSPACE

@@ -35,6 +35,13 @@ rules_foreign_cc_dependencies(
     register_preinstalled_tools = True,
 )
 
+load(
+    "@build_bazel_apple_support//lib:repositories.bzl",
+    "apple_support_dependencies",
+)
+
+apple_support_dependencies()
+
 load("@bazel_features//:deps.bzl", "bazel_features_deps")
 
 bazel_features_deps()

bazel/repositories.bzl

@@ -20,6 +20,7 @@ def yacl_deps():
     _rule_python()
     _rules_foreign_cc()
     _com_github_madler_zlib()
+    _build_bazel_apple_support()
     _com_google_protobuf()
     _com_github_gflags_gflags()
     _com_google_googletest()
@@ -417,3 +418,11 @@ def _lib25519():
             "https://lib25519.cr.yp.to/lib25519-20240321.tar.gz",
         ],
     )
+
+def _build_bazel_apple_support():
+    maybe(
+        http_archive,
+        name = "build_bazel_apple_support",
+        sha256 = "b53f6491e742549f13866628ddffcc75d1f3b2d6987dc4f14a16b242113c890b",
+        url = "https://github.com/bazelbuild/apple_support/releases/download/1.17.1/apple_support.1.17.1.tar.gz",
+    )