fix: use correct bazel 9.0.0 imports

bun/extensions.bzl

@@ -0,0 +1,55 @@
+load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")
+load(":version.bzl", "BUN_VERSION")
+
+_BUN_ARCHIVES = {
+    "bun_linux_x64": {
+        "sha256": "f57bc0187e39623de716ba3a389fda5486b2d7be7131a980ba54dc7b733d2e08",
+        "asset": "bun-linux-x64.zip",
+        "binary": "bun-linux-x64/bun",
+    },
+    "bun_linux_aarch64": {
+        "sha256": "fa5ecb25cafa8e8f5c87a0f833719d46dd0af0a86c7837d806531212d55636d3",
+        "asset": "bun-linux-aarch64.zip",
+        "binary": "bun-linux-aarch64/bun",
+    },
+    "bun_darwin_x64": {
+        "sha256": "c1d90bf6140f20e572c473065dc6b37a4b036349b5e9e4133779cc642ad94323",
+        "asset": "bun-darwin-x64.zip",
+        "binary": "bun-darwin-x64/bun",
+    },
+    "bun_darwin_aarch64": {
+        "sha256": "82034e87c9d9b4398ea619aee2eed5d2a68c8157e9a6ae2d1052d84d533ccd8d",
+        "asset": "bun-darwin-aarch64.zip",
+        "binary": "bun-darwin-aarch64/bun",
+    },
+    "bun_windows_x64": {
+        "sha256": "7a77b3e245e2e26965c93089a4a1332e8a326d3364c89fae1d1fd99cdd3cd73d",
+        "asset": "bun-windows-x64.zip",
+        "binary": "bun-windows-x64/bun.exe",
+    },
+}
+
+_BUN_GITHUB_RELEASE_URL_TEMPLATE = "https://github.com/oven-sh/bun/releases/download/bun-v{}/{}"
+
+
+def _bun_repos_impl(_ctx):
+    for name, metadata in _BUN_ARCHIVES.items():
+        http_archive(
+            name = name,
+            urls = [_BUN_GITHUB_RELEASE_URL_TEMPLATE.format(BUN_VERSION, metadata["asset"])],
+            sha256 = metadata["sha256"],
+            build_file_content = """
+exports_files(["{binary}"])
+
+filegroup(
+    name = "bun",
+    srcs = ["{binary}"],
+    visibility = ["//visibility:public"],
+)
+""".format(binary = metadata["binary"]),
+        )
+
+
+bun = module_extension(
+    implementation = _bun_repos_impl,
+)