Update dependency bazel_skylib to v1.8.1 (#100)

Author: renovate[bot]

MODULE.bazel

@@ -1,6 +1,6 @@
 # SPDX-License-Identifier: BSD-3-Clause
 
-bazel_dep(name = "bazel_skylib", version = "1.8.0")
+bazel_dep(name = "bazel_skylib", version = "1.8.1")
 bazel_dep(name = "rules_python", version = "1.5.1")
 
 http_archive = use_repo_rule(