Add GitHub Actions

.github/dependabot.yml

@@ -0,0 +1,10 @@
+# SPDX-FileCopyrightText: None
+#
+# SPDX-License-Identifier: CC0-1.0
+
+version: 2
+updates:
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "daily"

.github/workflows/REUSE.yaml

@@ -0,0 +1,21 @@
+# SPDX-FileCopyrightText: None
+#
+# SPDX-License-Identifier: CC0-1.0
+
+name: REUSE Compliance Check
+
+on:
+  pull_request:
+  push:
+    branches:
+      - "master"
+
+jobs:
+  reuse:
+    name: REUSE
+    runs-on: ubuntu-22.04
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+      - name: REUSE Compliance Check
+        uses: fsfe/reuse-action@v3.0.0

.github/workflows/actionlint.yaml

@@ -0,0 +1,31 @@
+# SPDX-FileCopyrightText: 2023 Kevin Matthes
+# SPDX-FileCopyrightText: 2023 Shun Sakai
+#
+# SPDX-License-Identifier: Apache-2.0 OR MIT
+
+name: actionlint
+
+on:
+  pull_request:
+    paths:
+      - .github/workflows/*.yaml
+  push:
+    paths:
+      - .github/workflows/*.yaml
+
+permissions:
+  contents: read
+
+jobs:
+  validation:
+    name: Validate
+    runs-on: ubuntu-22.04
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+        with:
+          persist-credentials: false
+      - name: Check no lint warnings
+        uses: docker://rhysd/actionlint:latest
+        with:
+          args: -color -verbose