feat(ci): Test basic rpmlint functionality

Tests against DevPod spec

Author: EyeCantCU

.github/workflows/test-action.yml

@@ -0,0 +1,33 @@
+name: Test Action
+on:
+  push:
+    branches:
+      - main
+    paths-ignore:
+      - '**.md'
+      - '**.txt'
+  merge_group:
+  workflow_dispatch:
+
+jobs:
+  push-ghcr:
+    name: Test
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+      id-token: write
+    strategy:
+      fail-fast: false
+    steps:
+      - name: Perform checkout
+        uses: actions/checkout@v4
+
+      - name: Fetch spec
+        run: |
+          wget https://raw.githubusercontent.com/ublue-os/packages/main/staging/devpod/devpod.spec
+
+      - name: Test rpmlint
+        uses: ./
+        with:
+          rpmfiles: ./devpod.spec