chore(dco): add dco checker

Signed-off-by: Bobo Bäck Engström <bobo@id8-engineering.io>

Author: Dexter9532

dco.yaml

@@ -0,0 +1,26 @@
+name: DCO
+on:
+  pull_request:
+  push:
+    branches:
+      - main
+
+jobs:
+  check:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11  # v4.1.1
+
+      - name: Install uv
+        uses: astral-sh/setup-uv@0f7d9c8f16e640867b3684563419790c05b6cfbf  # v3.2.0
+
+      - name: Install dco-check using uv
+        run: |
+          uv tool install dco-check --upgrade
+
+      - name: Check DCO
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        run: |
+          dco-check --verbose --exclude-pattern 'dependabot\[bot\]@users\.noreply\.github\.com'