Setup mark installation (#1)

.github/workflows/functional-tests.yml

@@ -0,0 +1,36 @@
+---
+name: Functional Tests
+
+on: # yamllint disable-line rule:truthy
+  push:
+    branches:
+      - main
+  pull_request:
+    paths:
+      - .github/workflows/functional-tests.yml
+      - src/**
+      - action.yml
+
+defaults:
+  run:
+    shell: sh
+
+jobs:
+  setup-mark:
+    name: Setup mark
+    timeout-minutes: 10
+    strategy:
+      fail-fast: false
+      matrix:
+        os: ["ubuntu", "macos"]
+        version: ["9.11.1", "9.11.0", "9.10.1", "9.10.0", "9.9.0"]
+    runs-on: ${{ matrix.os }}-latest
+    steps:
+      - name: Checkout ${{ github.repository }}
+        uses: actions/checkout@v4
+      - name: Setup mark
+        uses: ./
+        with:
+          version: "${{ matrix.version }}"
+      - name: Print version
+        run: mark --version