chore: Add PR Lint workflow (#5387)

Fixes #5381

.github/semantic.yaml

@@ -1,56 +0,0 @@
-###############################################################################
-# This file configures "Semantic Pull Requests", which is documented here:
-# https://github.com/zeke/semantic-pull-requests
-#
-# This action/spec implements the "Conventional Commits" RFC which is
-# available here:
-# https://www.notion.so/coderhq/Conventional-commits-1d51287f58b64026bb29393f277734ed
-###############################################################################
-
-# We have no valid scopes right now.
-# A scope should be added when commits aren't aligning with associated change anymore.
-scopes:
-
-# We only check that the PR title is semantic. The PR title is automatically
-# applied to the "Squash & Merge" flow as the suggested commit message, so this
-# should suffice unless someone drastically alters the message in that flow.
-titleOnly: true
-
-# Types are the 'tag' types in a commit or PR title. For example, in
-#
-# chore: fix thing
-#
-# 'chore' is the type.
-types:
-  # A build of any kind.
-  - build
-
-  # Any code task that operates outside of CI, docs, or the product. Examples
-  # include configurations, linters etc.
-  - chore
-
-  # Any work performed on CI.
-  - ci
-  
-  - example
-
-  # Work that directly implements or supports the implementation of a feature.
-  - feat
-
-  # A fix for either a released or unrelesed bug.
-  - fix
-
-  # A fix for a released bug (regression fix) that is intended for patch-release
-  # purposes.
-  - hotfix
-
-  # A refactor changes code structure without any behavioral change.
-  - refactor
-
-  # A git revert for any style of commit.
-  - revert
-
-  # Adding tests of any kind. Should be separate from feature or fix
-  # implementations. For example, if a commit adds a fix + test, it's a fix
-  # commit. If a commit is simply bumping coverage, it's a test commit.
-  - test

.github/workflows/pr.yaml

@@ -0,0 +1,20 @@
+name: Lint PR
+
+on:
+  pull_request_target:
+    types:
+      - opened
+      - reopened
+      - edited
+      - synchronize
+
+jobs:
+  main:
+    name: Validate PR title
+    runs-on: ubuntu-latest
+    steps:
+      - uses: amannn/action-semantic-pull-request@v5
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          requireScope: false