chore(deps): update dependency bazel_skylib to v1.9.0

Author: renovate[bot]

dart/repositories.bzl

@@ -23,10 +23,10 @@ def rules_dart_dependencies():
     # The minimal version of bazel_skylib we require
     http_archive(
         name = "bazel_skylib",
-        sha256 = "74d544d96f4a5bb630d465ca8bbcfe231e3594e5aae57e1edbf17a6eb3ca2506",
+        sha256 = "3b5b49006181f5f8ff626ef8ddceaa95e9bb8ad294f7b5d7b11ea9f7ddaf8c59",
         urls = [
-            "https://github.com/bazelbuild/bazel-skylib/releases/download/1.3.0/bazel-skylib-1.3.0.tar.gz",
-            "https://mirror.bazel.build/github.com/bazelbuild/bazel-skylib/releases/download/1.3.0/bazel-skylib-1.3.0.tar.gz",
+            "https://github.com/bazelbuild/bazel-skylib/releases/download/1.9.0/bazel-skylib-1.9.0.tar.gz",
+            "https://mirror.bazel.build/github.com/bazelbuild/bazel-skylib/releases/download/1.9.0/bazel-skylib-1.9.0.tar.gz",
         ],
     )
 

internal_deps.bzl

@@ -35,11 +35,11 @@ def rules_dart_internal_deps():
     # see https://github.com/bazelbuild/bazel-skylib/issues/250
     http_archive(
         name = "bazel_skylib",
-        sha256 = "3b620033ca48fcd6f5ef2ac85e0f6ec5639605fa2f627968490e52fc91a9932f",
-        strip_prefix = "bazel-skylib-1.3.0",
+        sha256 = "d9b87903b95e412d37d41a2fa6b0b44b8ba52122c3880512674b26facfc985a2",
+        strip_prefix = "bazel-skylib-1.9.0",
         urls = [
-            "https://mirror.bazel.build/github.com/bazelbuild/bazel-skylib/archive/1.3.0.tar.gz",
-            "https://github.com/bazelbuild/bazel-skylib/archive/refs/tags/1.3.0.tar.gz",
+            "https://mirror.bazel.build/github.com/bazelbuild/bazel-skylib/archive/1.9.0.tar.gz",
+            "https://github.com/bazelbuild/bazel-skylib/archive/refs/tags/1.9.0.tar.gz",
         ],
     )