chore(deps): update dependency io_bazel_stardoc to v0.5.6 (#138)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

internal.bzl

@@ -25,10 +25,10 @@ def internal_dependencies():
     maybe(
         http_archive,
         name = "io_bazel_stardoc",
-        sha256 = "3fd8fec4ddec3c670bd810904e2e33170bedfe12f90adf943508184be458c8bb",
+        sha256 = "dfbc364aaec143df5e6c52faf1f1166775a5b4408243f445f44b661cfdc3134f",
         urls = [
-            "https://mirror.bazel.build/github.com/bazelbuild/stardoc/releases/download/0.5.3/stardoc-0.5.3.tar.gz",
-            "https://github.com/bazelbuild/stardoc/releases/download/0.5.3/stardoc-0.5.3.tar.gz",
+            "https://mirror.bazel.build/github.com/bazelbuild/stardoc/releases/download/0.5.6/stardoc-0.5.6.tar.gz",
+            "https://github.com/bazelbuild/stardoc/releases/download/0.5.6/stardoc-0.5.6.tar.gz",
         ],
     )