Merge pull request #237 from maflcko/2509-ci-gha-dummy

ci: Add dummy GHA template

Author: maflcko

.github/workflows/ci.yml

@@ -0,0 +1,31 @@
+# Copyright (c) The Bitcoin Core developers
+# Distributed under the MIT software license, see the accompanying
+# file COPYING or https://opensource.org/license/mit.
+
+name: CI
+on:
+  push:
+  pull_request:
+
+concurrency:
+  group: ${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  ci-matrix:
+    name: ${{ matrix.name }}
+    runs-on: ${{ matrix.runner }}
+
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - name: 'fuzz (dummy)'
+            runner: 'ubuntu-latest'
+
+    steps:
+      - name: Checkout Bitcoin Core
+        uses: actions/checkout@v5
+        with:
+          repository: bitcoin/bitcoin
+          fetch-depth: 1