fix: dont declare folder same name as target (#41)

* bazel doesn't allow multiple targets to have the same prefix (a
directory) and since we're generating files in the folder we don't want
to declare it, just write to it

Author: zaucy

e2e/bzlmod-ecsact-sdk/.gitignore

@@ -0,0 +1 @@
+MODULE.bazel.lock

e2e/bzlmod-ecsact-sdk/BUILD.bazel

@@ -3,6 +3,7 @@ load("@rules_ecsact//ecsact:defs.bzl", "ecsact_codegen")
 
 ecsact_codegen(
     name = "all_default_codegen_plugins",
+    output_directory = "codegen_outputs",
     srcs = [
         "example.ecsact",
         "extras.ecsact",