disable non-windows

.github/workflows/ci.yml

@@ -8,49 +8,17 @@ on:
   pull_request:
   create:
 jobs:
-  notify:
-    runs-on: ubuntu-latest
-    continue-on-error: true
-    if: ${{ always() }}
-    steps:
-      - uses: PDLPorters/devops/github-actions/irc-notifications@master
-        with:
-          target-notifications: true
   ci:
     runs-on: ${{ matrix.os }}
     if: ${{ github.event_name == 'push' || github.event_name == 'pull_request' }}
-    needs: notify
     env:
       PGPLOT_DEV: /NULL
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-latest]
-        perl-version: ['5.10']
         include:
-          - perl-version: '5.30'
-            os: ubuntu-latest
-            release-test: true
-            coverage: true
-          - perl-version: '5.30'
-            os: ubuntu-latest
-            disttest: true
-          - perl-version: '5.30'
-            os: ubuntu-latest
-            eumm-blead: 1
-          - perl-version: '5.30'
-            os: ubuntu-latest
-            test-installed: true # test not from blib but after installing
-          - perl-version: '5.30'
-            os: ubuntu-latest
-            disable-fortran: true # what if we don't have Fortran installed?
-          - perl-version: '5.30'
-            os: ubuntu-latest
-            use-clang: true # use `clang` instead of `gcc` default
           - perl-version: '5.26'
             os: windows-latest
-          - perl-version: '5.30'
-            os: macos-latest
     steps:
       - uses: actions/checkout@v2
       - name: 'ci-dist: target-setup-perl'