ci: use common gh ci

Refs: KEH-187

Author: nicobav

.github/workflows/ci.yml

@@ -0,0 +1,21 @@
+name: CI
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+  workflow_dispatch:
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  common:
+    uses: City-of-Helsinki/.github/.github/workflows/ci-python-library.yml@main
+    secrets:
+      sonar-token: ${{ secrets.SONAR_TOKEN }}
+      github-token: ${{ secrets.GITHUB_TOKEN }}
+    with:
+      python-matrix: "['3.10', '3.11', '3.12', '3.13', '3.14']"