Update versions for 0.38.1 release

MODULE.bazel

diff --git a/MODULE.bazel b/MODULE.bazel
index 025c98b..3a61dd1 100644
--- a/MODULE.bazel
+++ b/MODULE.bazel
@@ -1,6 +1,6 @@
 module(
     name = "rules_go",
-    version = "0.38.0",
+    version = "0.38.1",
     compatibility_level = 0,
     repo_name = "io_bazel_rules_go",
 )

go/def.bzl

diff --git a/go/def.bzl b/go/def.bzl
index 5feea5e..55159f2 100644
--- a/go/def.bzl
+++ b/go/def.bzl
@@ -125,7 +125,7 @@
 
 # Current version or next version to be tagged. Gazelle and other tools may
 # check this to determine compatibility.
-RULES_GO_VERSION = "0.38.0"
+RULES_GO_VERSION = "0.38.1"
 
 def declare_toolchains(host, sdk, builder, sdk_version_setting):
     host_goos, _, host_goarch = host.partition("_")