chore: use rules_shell in multi_python_versions example

Author: aignas

examples/multi_python_versions/MODULE.bazel

@@ -55,3 +55,6 @@ pip.parse(
     python_version = "3.11",
     requirements_lock = "//requirements:requirements_lock_3_11.txt",
 )
+
+# example test dependencies
+bazel_dep(name = "rules_shell", version = "0.1.1", dev_dependency = True)

examples/multi_python_versions/WORKSPACE

@@ -45,3 +45,17 @@ multi_pip_parse(
 load("@pypi//:requirements.bzl", "install_deps")
 
 install_deps()
+
+# See https://github.com/bazelbuild/rules_shell/releases/tag/v0.1.1
+http_archive(
+    name = "rules_shell",
+    sha256 = "0d0c56d01c3c40420bf7bf14d73113f8a92fbd9f5cd13205a3b89f72078f0321",
+    strip_prefix = "rules_shell-0.1.1",
+    url = "https://github.com/bazelbuild/rules_shell/releases/download/v0.1.1/rules_shell-v0.1.1.tar.gz",
+)
+
+load("@rules_shell//shell:repositories.bzl", "rules_shell_dependencies", "rules_shell_toolchains")
+
+rules_shell_dependencies()
+
+rules_shell_toolchains()

examples/multi_python_versions/tests/BUILD.bazel

@@ -4,6 +4,7 @@ load("@python//3.11:defs.bzl", py_binary_3_11 = "py_binary", py_test_3_11 = "py_
 load("@python//3.8:defs.bzl", py_binary_3_8 = "py_binary", py_test_3_8 = "py_test")
 load("@python//3.9:defs.bzl", py_binary_3_9 = "py_binary", py_test_3_9 = "py_test")
 load("@rules_python//python:defs.bzl", "py_binary", "py_test")
+load("@rules_shell//shell:sh_test.bzl", "sh_test")
 
 copy_file(
     name = "copy_version",