Upgrade rules_scala

Fixes: bazelbuild#6304
(cherry picked from commit 7f32fc1)

WORKSPACE.bzlmod

@@ -692,13 +692,14 @@ new_git_repository(
 )
 
 # LICENSE: The Apache Software License, Version 2.0
-rules_scala_version = "a42f009ded929070d5c412284c50ba08f0f9e8b8"
+rules_scala_version = "8f255cd1fecfe4d43934b161b3edda58bdb2e8f4"
 
 http_archive(
     name = "io_bazel_rules_scala",
-    sha256 = "9a23058a36183a556a9ba7229b4f204d3e68c8c6eb7b28260521016b38ef4e00",
-    strip_prefix = "rules_scala-6.4.0",
-    url = "https://github.com/bazelbuild/rules_scala/releases/download/v6.4.0/rules_scala-v6.4.0.tar.gz",
+    sha256 = "14797e907c5614387452c42412d755ad7e343ea12540a53da1430be3301c8b4b",
+    strip_prefix = "rules_scala-%s" % rules_scala_version,
+    type = "zip",
+    url = "https://github.com/bazelbuild/rules_scala/archive/%s.zip" % rules_scala_version,
 )
 
 load("@io_bazel_rules_scala//:scala_config.bzl", "scala_config")