ci: more ci checks

.github/workflows/pull-request.yml

@@ -0,0 +1,20 @@
+name: Pull request
+# This workflow is triggered on pushes to the repository.
+on: [ pull_request ]
+
+jobs:
+  check:
+    name: Check Commit Message
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          # A PR should not contain too many commits
+          fetch-depth: 10
+      - name: Validate commit messages
+        run: |
+          git show-ref
+          curl -sSfL https://github.com/convco/convco/releases/latest/download/convco-ubuntu.zip | zcat > convco
+          chmod +x convco
+          ./convco check ${{ github.event.pull_request.base.sha }}..${{ github.event.pull_request.head.sha }}
+          rm convco

.github/workflows/semver-checks.yml

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+name: Semver Checks
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+
+jobs:
+  semver:
+    name: cargo-semver-checks
+    runs-on: macos-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: dtolnay/rust-toolchain@stable
+      - uses: Swatinem/rust-cache@v2
+
+      - name: check semver
+        uses: obi1kenobi/[email protected]