Add cpanfile test workflow

Author: oalders

.github/workflows/test-cpanfile.yml

@@ -0,0 +1,38 @@
+---
+name: Install from cpanfile
+
+on:
+  pull_request:
+    branches:
+      - '*'
+jobs:
+  test-job:
+    runs-on: ubuntu-latest
+    container:
+      image: perl:${{ matrix.perl-version }}
+    strategy:
+      fail-fast: false
+      matrix:
+        perl-version:
+          - '5.8'
+          - '5.10'
+          - '5.12'
+          - '5.14'
+          - '5.16'
+          - '5.18'
+          - '5.20'
+          - '5.22'
+          - '5.24'
+          - '5.26'
+          - '5.28'
+          - '5.30'
+          - '5.32'
+          - 'latest'
+    name: Perl ${{ matrix.perl-version }}
+    steps:
+      - uses: actions/checkout@v2
+      - name: Install deps using cpm
+        uses: perl-actions/install-with-cpm@v1
+        with:
+          cpanfile: 'cpanfile'
+          sudo: false