Update Verible to latest version to fix setup tar issues (#8)

* Update directory structure.

* Update directory structure.

* Update directory structure.

* Workflow automated lint test.

* Revert testing file.

* Update workflow config to support external PRs.

* Test commit for auto-lint workflow test.

* Redo the test.

* Update Verible version to latest.

.github/workflows/verible-auto-lint.yml

@@ -13,7 +13,6 @@ jobs:
         exclude_paths: |
           ./doc
         extra_args: "--check_syntax=true"
-        verible_version: "v0.0-3100-gd75b1c47"
         extensions: |
           .sv
           .v