Update rules_go dep to v0.50.1 (#1943)

**What type of PR is this?**

Bug fix

**What package or component does this PR mostly affect?**

cmd/gazelle

**What does this PR do? Why is it needed?**

This is needed to pick up the `qnx` and `osx` platforms from
bazel-contrib/rules_go@eb9a7af.

**Which issues(s) does this PR fix?**

Fixes #

**Other notes for review**

MODULE.bazel

@@ -7,7 +7,7 @@ module(
 bazel_dep(name = "bazel_features", version = "1.9.1")
 bazel_dep(name = "bazel_skylib", version = "1.5.0")
 bazel_dep(name = "protobuf", version = "3.19.6", repo_name = "com_google_protobuf")
-bazel_dep(name = "rules_go", version = "0.47.0", repo_name = "io_bazel_rules_go")
+bazel_dep(name = "rules_go", version = "0.50.1", repo_name = "io_bazel_rules_go")
 bazel_dep(name = "rules_license", version = "1.0.0")
 bazel_dep(name = "rules_proto", version = "4.0.0")
 

go.mod

@@ -1,6 +1,6 @@
 module github.com/bazelbuild/bazel-gazelle
 
-go 1.21.1
+go 1.21
 
 require (
 	github.com/bazelbuild/buildtools v0.0.0-20240827154017-dd10159baa91