Update dependency bazel_gazelle to v0.43.0

Author: renovate[bot]

WORKSPACE

@@ -31,10 +31,10 @@ http_archive(
 
 http_archive(
     name = "bazel_gazelle",
-    sha256 = "75df288c4b31c81eb50f51e2e14f4763cb7548daae126817247064637fd9ea62",
+    sha256 = "7c40b746387cd0c9a4d5bb0b2035abd134b3f7511015710a5ee5e07591008dde",
     urls = [
-        "https://mirror.bazel.build/github.com/bazelbuild/bazel-gazelle/releases/download/v0.36.0/bazel-gazelle-v0.36.0.tar.gz",
-        "https://github.com/bazelbuild/bazel-gazelle/releases/download/v0.36.0/bazel-gazelle-v0.36.0.tar.gz",
+        "https://mirror.bazel.build/github.com/bazelbuild/bazel-gazelle/releases/download/v0.43.0/bazel-gazelle-v0.43.0.tar.gz",
+        "https://github.com/bazelbuild/bazel-gazelle/releases/download/v0.43.0/bazel-gazelle-v0.43.0.tar.gz",
     ],
 )