Update dependency bazel_gazelle to v0.38.0

Author: renovate[bot]

WORKSPACE

@@ -26,10 +26,10 @@ http_archive(
 
 http_archive(
     name = "bazel_gazelle",
-    sha256 = "d76bf7a60fd8b050444090dfa2837a4eaf9829e1165618ee35dceca5cbdf58d5",
+    sha256 = "8ad77552825b078a10ad960bec6ef77d2ff8ec70faef2fd038db713f410f5d87",
     urls = [
-        "https://github.com/bazelbuild/bazel-gazelle/releases/download/v0.37.0/bazel-gazelle-v0.37.0.tar.gz",
-        "https://mirror.bazel.build/github.com/bazelbuild/bazel-gazelle/releases/download/v0.37.0/bazel-gazelle-v0.37.0.tar.gz",
+        "https://github.com/bazelbuild/bazel-gazelle/releases/download/v0.38.0/bazel-gazelle-v0.38.0.tar.gz",
+        "https://mirror.bazel.build/github.com/bazelbuild/bazel-gazelle/releases/download/v0.38.0/bazel-gazelle-v0.38.0.tar.gz",
     ],
 )