chore: update to latest buildifier (#3386)

Upgrade to the latest buildifier and fix an example.

.bazelci/presubmit.yml

diff --git a/.bazelci/presubmit.yml b/.bazelci/presubmit.yml
index 6ed93b0..1cb3a01 100644
--- a/.bazelci/presubmit.yml
+++ b/.bazelci/presubmit.yml
@@ -16,7 +16,7 @@
 buildifier:
   # keep these arguments in sync with .pre-commit-config.yaml
   # Use a specific version to avoid skew issues when new versions are released.
-  version: 6.1.0
+  version: 8.2.1
   warnings: "all"
 # NOTE: Minimum supported version is 7.x
 .minimum_supported_version: &minimum_supported_version

.pre-commit-config.yaml

diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 67a02fc..91e449f 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -21,7 +21,7 @@
     hooks:
       - id: check-merge-conflict
   - repo: https://github.com/keith/pre-commit-buildifier
-    rev: 6.1.0
+    rev: 8.2.1
     hooks:
       - id: buildifier
         args: &args

examples/multi_python_versions/MODULE.bazel

diff --git a/examples/multi_python_versions/MODULE.bazel b/examples/multi_python_versions/MODULE.bazel
index 4e4a047..eeb1dfc 100644
--- a/examples/multi_python_versions/MODULE.bazel
+++ b/examples/multi_python_versions/MODULE.bazel
@@ -35,6 +35,7 @@
 
 pip = use_extension("@rules_python//python/extensions:pip.bzl", "pip")
 use_repo(pip, "pypi")
+
 pip.parse(
     hub_name = "pypi",
     python_version = "3.9",

examples/pip_parse_vendored/BUILD.bazel

diff --git a/examples/pip_parse_vendored/BUILD.bazel b/examples/pip_parse_vendored/BUILD.bazel
index 8d81e4b..74b9286 100644
--- a/examples/pip_parse_vendored/BUILD.bazel
+++ b/examples/pip_parse_vendored/BUILD.bazel
@@ -3,6 +3,7 @@
 load("@bazel_skylib//rules:write_file.bzl", "write_file")
 load("@rules_python//python:pip.bzl", "compile_pip_requirements")
 load("@rules_python//python:py_test.bzl", "py_test")
+load("@rules_shell//shell:sh_binary.bzl", "sh_binary")
 load("//:requirements.bzl", "all_data_requirements", "all_requirements", "all_whl_requirements", "requirement")
 
 # This rule adds a convenient way to update the requirements.txt

examples/pip_parse_vendored/WORKSPACE

diff --git a/examples/pip_parse_vendored/WORKSPACE b/examples/pip_parse_vendored/WORKSPACE
index d7a11ea..5e80b41 100644
--- a/examples/pip_parse_vendored/WORKSPACE
+++ b/examples/pip_parse_vendored/WORKSPACE
@@ -39,3 +39,19 @@
 load("//:requirements.bzl", "install_deps")
 
 install_deps()
+
+load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")
+
+# See https://github.com/bazelbuild/rules_shell/releases/tag/v0.2.0
+http_archive(
+    name = "rules_shell",
+    sha256 = "410e8ff32e018b9efd2743507e7595c26e2628567c42224411ff533b57d27c28",
+    strip_prefix = "rules_shell-0.2.0",
+    url = "https://github.com/bazelbuild/rules_shell/releases/download/v0.2.0/rules_shell-v0.2.0.tar.gz",
+)
+
+load("@rules_shell//shell:repositories.bzl", "rules_shell_dependencies", "rules_shell_toolchains")
+
+rules_shell_dependencies()
+
+rules_shell_toolchains()