Add unzip requirement

Change-Id: I957e19257f7be8e2840d80a2abbec8b39dbc060c
diff --git a/.github/workflows/linux.yml b/.github/workflows/linux.yml
index 25778fd..3468d25 100644
--- a/.github/workflows/linux.yml
+++ b/.github/workflows/linux.yml
@@ -23,6 +23,8 @@
       - uses: actions/checkout@v2
       - name: perl -V
         run: perl -V
+      - name: apt install unzip
+        run: perl -V
       - name: Install dependencies
         run: |
           cpanm --installdeps .