ci: split CI and PR workflows

.github/workflows/cd.yml

@@ -1,10 +1,15 @@
 name: CD
 on:
   workflow_run:
-    workflows: [CI]
-    types: [completed]
-    branches: [main] # semantic-release supports distribution channels via other branches
+    workflows:
+      - CI
+    types:
+      - completed
+    branches:
+      - main # semantic-release supports distribution channels via other branches
+
 concurrency: cd # don't run multiple releases in parallel and mess up the versions
+
 jobs:
   build:
     if: ${{ github.event.workflow_run.conclusion == 'success' }}

.github/workflows/ci.yml

@@ -1,8 +1,8 @@
 name: CI
 on:
-  pull_request:
   push:
-    branches: [main]
+    branches:
+      - main
 jobs:
   test:
     runs-on: ubuntu-latest

.github/workflows/pr.yml

@@ -0,0 +1,42 @@
+name: PR
+on:
+  pull_request:
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      # setup
+      - name: Checkout Repo
+        uses: actions/checkout@v3
+
+      - name: Setup Rust
+        uses: ./.github/actions/setup
+
+      - name: Install more cargo tools
+        uses: taiki-e/install-action@v2
+        with:
+          tool: cargo-llvm-cov,cargo-nextest
+
+      # test
+      - name: Run tests and generate coverage
+        run: cargo llvm-cov --all-features --workspace --lcov --output-path lcov.info nextest --profile ci
+
+      - uses: mikepenz/action-junit-report@v3
+        if: always()
+        with:
+          check_name: test
+          report_paths: "**/junit.xml"
+
+      # lint
+      - uses: actions-rs/clippy-check@v1
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }}
+          args: --all-features -- -D warnings
+          name: lint
+        if: always()
+
+      # coverage
+      - name: Upload coverage to Coveralls
+        uses: coverallsapp/github-action@v2.0.0
+        if: always()
+