Update io_bazel_rules_scala digest to a40063e

Author: renovate[bot]

WORKSPACE

@@ -58,9 +58,9 @@ http_archive(
 
 http_archive(
     name = "io_bazel_rules_scala",
-    sha256 = "4545cf3b72fb4c42f57ec6226780ff005eca63fe7fa77c98d41032113e444774",
-    strip_prefix = "rules_scala-ae781e41d6bb3d79ce359055bb9351b84740c6f9",
-    url = "https://github.com/bazelbuild/rules_scala/archive/ae781e41d6bb3d79ce359055bb9351b84740c6f9.tar.gz",
+    sha256 = "5e6249cf80de012a6740bcca7c36247308dd5c4133fe57b6cd6bd278ee57f384",
+    strip_prefix = "rules_scala-a40063ef97688f056824b22b9e49fae6efd1df0f",
+    url = "https://github.com/bazelbuild/rules_scala/archive/a40063ef97688f056824b22b9e49fae6efd1df0f.tar.gz",
 )
 
 http_archive(